| 12 Jul 23 | Qualifier        | F91 DudelangeF91 Dudelange | 2 - 1 | St PatricksSt Patricks |
| 12 Jul 23 | Qualifier        | B36 TorshavnB36 Torshavn | 0 - 0 | Paide LinnameeskondPaide Linname |
| 13 Jul 23 | Qualifier        | Pyunik YerevanPyunik Yereva | 2 - 0 | Trans NarvaTrans Narva |
| 13 Jul 23 | Qualifier        | FC TobolFC Tobol | 2 - 1 | HonkaHonka |
| 13 Jul 23 | Qualifier        | Ararat-ArmeniaArarat-Armeni | 1 - 1 | EgnatiaEgnatia |
| 13 Jul 23 | Qualifier        | Inter Club d'EscaldesInter Club d' | 2 - 1 | VikingurVikingur |
| 13 Jul 23 | Qualifier        | MSK ZilinaMSK Zilina | 2 - 1 | FC Levadia TallinnFC Levadia Ta |
| 13 Jul 23 | Qualifier        | Makedonija GjPMakedonija Gj | 0 - 1 | Rīgas Futbola SkolaRīgas Futbola |
| 13 Jul 23 | Qualifier        | FK PanevėžysFK Panevėžys | 2 - 2 | FC MilsamiFC Milsami |
| 13 Jul 23 | Qualifier        | FC HakaFC Haka | 2 - 2 | CrusadersCrusaders |
| 13 Jul 23 | Qualifier        | Bruno-'s MagpiesBruno-'s Magp | 0 - 0 | DundalkDundalk |
| 13 Jul 23 | Qualifier        | Riga FCRiga FC | 2 - 0 | Víkingur ReykjavikVíkingur Reyk |
| 13 Jul 23 | Qualifier        | AlashkertAlashkert | 1 - 1 | Arsenal TivatArsenal Tivat |
| 13 Jul 23 | Qualifier        | Torpedo KutaisiTorpedo Kutai | 2 - 2 | FK SarajevoFK Sarajevo |
| 13 Jul 23 | Qualifier        | Hegelmann LitauenHegelmann Lit | 0 - 5 | ShkupiShkupi |
| 13 Jul 23 | Qualifier        | Gżira UnitedGżira United | 2 - 2 | GlentoranGlentoran |
| 13 Jul 23 | Qualifier        | DukagjiniDukagjini | 2 - 1 | Europa FCEuropa FC |
| 13 Jul 23 | Qualifier        | DomzaleDomzale | 1 - 4 | Balzan FCBalzan FC |
| 13 Jul 23 | Qualifier        | Pen-y-BontPen-y-Bont | 1 - 1 | FC Santa ColomaFC Santa Colo |
| 13 Jul 23 | Qualifier        | Progrès NiederkornProgrès Niede | 2 - 2 | GjilaniGjilani |
| 13 Jul 23 | Qualifier        | DAC 1904 Dunajská StredaDAC 1904 Duna | 2 - 1 | Dila GoriDila Gori |
| 13 Jul 23 | Qualifier        | HB TorshavnHB Torshavn | 0 - 0 | Derry CityDerry City |
| 13 Jul 23 | Qualifier        | SK TiranaSK Tirana | 1 - 1 | Dinamo BatumiDinamo Batumi |
| 13 Jul 23 | Qualifier        | VaduzVaduz | 1 - 2 | Neman GrodnoNeman Grodno |
| 13 Jul 23 | Qualifier        | KAKA | 2 - 0 | Connah's Quay NomadsConnah's Quay |
| 13 Jul 23 | Qualifier        | Shkendija 79Shkendija 79 | 1 - 0 | Haverfordwest CountyHaverfordwest |
| 13 Jul 23 | Qualifier        | ZeljeznicarZeljeznicar | 2 - 2 | Dinamo MinskDinamo Minsk |
| 13 Jul 23 | Qualifier        | SutjeskaSutjeska | 1 - 0 | CosmosCosmos |
| 13 Jul 23 | Qualifier        | La FioritaLa Fiorita | 1 - 1 | Zimbru ChisinauZimbru Chisin |
| 13 Jul 23 | Qualifier        | LinfieldLinfield | 3 - 1 | KF Vllaznia ShkodërKF Vllaznia S |
| 13 Jul 23 | Qualifier        | NK MariborNK Maribor | 1 - 1 | BirkirkaraBirkirkara |
| 18 Jul 23 | Qualifier        | Balzan FCBalzan FC | 1 - 3 | DomzaleDomzale |
| 20 Jul 23 | Qualifier        | Europa FCEuropa FC | 2 - 3 | DukagjiniDukagjini |
| 20 Jul 23 | Qualifier        | FC Santa ColomaFC Santa Colo | 2 - 0 | Pen-y-BontPen-y-Bont |
| 20 Jul 23 | Qualifier        | BirkirkaraBirkirkara | 1 - 2 | NK MariborNK Maribor |
| 20 Jul 23 | Qualifier        | Trans NarvaTrans Narva | 0 - 3 | Pyunik YerevanPyunik Yereva |
| 20 Jul 23 | Qualifier        | Rīgas Futbola SkolaRīgas Futbola | 4 - 1 | Makedonija GjPMakedonija Gj |
| 20 Jul 23 | Qualifier        | Paide LinnameeskondPaide Linname | 0 - 2 | B36 TorshavnB36 Torshavn |
| 20 Jul 23 | Qualifier        | FC MilsamiFC Milsami | 0 - 1 | FK PanevėžysFK Panevėžys |
| 20 Jul 23 | Qualifier        | HonkaHonka | 0 - 0 | FC TobolFC Tobol |
| 20 Jul 23 | Qualifier        | FC Levadia TallinnFC Levadia Ta | 1 - 2 | MSK ZilinaMSK Zilina |
| 20 Jul 23 | Qualifier        | Dila GoriDila Gori | 2 - 0 | DAC 1904 Dunajská StredaDAC 1904 Duna |
| 20 Jul 23 | Qualifier        | Dinamo MinskDinamo Minsk | 1 - 2 | ZeljeznicarZeljeznicar |
| 20 Jul 23 | Qualifier        | Zimbru ChisinauZimbru Chisin | 1 - 0 | La FioritaLa Fiorita |
| 20 Jul 23 | Qualifier        | Dinamo BatumiDinamo Batumi | 1 - 2 | SK TiranaSK Tirana |
| 20 Jul 23 | Qualifier        | VikingurVikingur | 1 - 1 | Inter Club d'EscaldesInter Club d' |
| 20 Jul 23 | Qualifier        | Neman GrodnoNeman Grodno | 1 - 1 | VaduzVaduz |
| 20 Jul 23 | Qualifier        | EgnatiaEgnatia | 4 - 4 | Ararat-ArmeniaArarat-Armeni |
| 20 Jul 23 | Qualifier        | GjilaniGjilani | 0 - 2 | Progrès NiederkornProgrès Niede |
| 20 Jul 23 | Qualifier        | Connah's Quay NomadsConnah's Quay | 0 - 2 | KAKA |
| 20 Jul 23 | Qualifier        | GlentoranGlentoran | 1 - 1 | Gżira UnitedGżira United |
| 20 Jul 23 | Qualifier        | Arsenal TivatArsenal Tivat | 1 - 6 | AlashkertAlashkert |
| 20 Jul 23 | Qualifier        | DundalkDundalk | 3 - 1 | Bruno-'s MagpiesBruno-'s Magp |
| 20 Jul 23 | Qualifier        | Derry CityDerry City | 1 - 0 | HB TorshavnHB Torshavn |
| 20 Jul 23 | Qualifier        | Víkingur ReykjavikVíkingur Reyk | 1 - 0 | Riga FCRiga FC |
| 20 Jul 23 | Qualifier        | St PatricksSt Patricks | 2 - 3 | F91 DudelangeF91 Dudelange |
| 20 Jul 23 | Qualifier        | CosmosCosmos | 1 - 1 | SutjeskaSutjeska |
| 20 Jul 23 | Qualifier        | Haverfordwest CountyHaverfordwest | 1 - 0 | Shkendija 79Shkendija 79 |
| 20 Jul 23 | Qualifier        | KF Vllaznia ShkodërKF Vllaznia S | 1 - 0 | LinfieldLinfield |
| 20 Jul 23 | Qualifier        | CrusadersCrusaders | 1 - 0 | FC HakaFC Haka |
| 20 Jul 23 | Qualifier        | FK SarajevoFK Sarajevo | 1 - 1 | Torpedo KutaisiTorpedo Kutai |
| 20 Jul 23 | Qualifier        | ShkupiShkupi | 0 - 0 | Hegelmann LitauenHegelmann Lit |
| 25 Jul 23 | Qualifier        | Atlètic d'EscaldesAtlètic d'Esc | 0 - 1 | PartizaniPartizani |
| 25 Jul 23 | Qualifier        | TNSTNS | 1 - 1 | Swift HesperangeSwift Hespera |
| 25 Jul 23 | Qualifier        | Ħamrun SpartansĦamrun Sparta | 2 - 1 | Dinamo TbilisiDinamo Tbilis |
| 25 Jul 23 | Qualifier        | Tre PenneTre Penne | 0 - 3 | Valmieras FKValmieras FK |
| 25 Jul 23 | Qualifier        | BallkaniBallkani | 3 - 0 | LarneLarne |
| 26 Jul 23 | Qualifier        | StrugaStruga | 1 - 0 | Buducnost PodgoricaBuducnost Pod |
| 26 Jul 23 | Qualifier        | Rīgas Futbola SkolaRīgas Futbola | 0 - 2 | Sabah FCSabah FC |
| 26 Jul 23 | Qualifier        | FC MidtjyllandFC Midtjyllan | 2 - 0 | Progrès NiederkornProgrès Niede |
| 26 Jul 23 | Qualifier        | CSKA 1948CSKA 1948 | 0 - 1 | Steaua BucurestiSteaua Bucure |
| 26 Jul 23 | Qualifier        | FenerbahceFenerbahce | 5 - 0 | Zimbru ChisinauZimbru Chisin |
| 26 Jul 23 | Qualifier        | Neman GrodnoNeman Grodno | 2 - 0 | Balzan FCBalzan FC |
| 27 Jul 23 | Qualifier        | Ordabasy ShymkentOrdabasy Shym | 2 - 2 | Legia WarsawLegia Warsaw |
| 27 Jul 23 | Qualifier        | AlashkertAlashkert | 0 - 1 | DebrecenDebrecen |
| 27 Jul 23 | Qualifier        | Ararat-ArmeniaArarat-Armeni | 1 - 1 | ArisAris |
| 27 Jul 23 | Qualifier        | Inter Club d'EscaldesInter Club d' | 2 - 1 | HibernianHibernian |
| 27 Jul 23 | Qualifier        | Bodoe/GlimtBodoe/Glimt | 3 - 0 | Bohemians 1905Bohemians 190 |
| 27 Jul 23 | Qualifier        | Gabala FKGabala FK | 2 - 3 | Omonia NicosiaOmonia Nicosi |
| 27 Jul 23 | Qualifier        | Auda KekavaAuda Kekava | 1 - 1 | FC Spartak TrnavaFC Spartak Tr |
| 27 Jul 23 | Qualifier        | CSKA SofiaCSKA Sofia | 0 - 2 | Sepsi OSK Sfântu GheorgheSepsi OSK Sfâ |
| 27 Jul 23 | Qualifier        | Viktoria PlzenViktoria Plze | 0 - 0 | DritaDrita |
| 27 Jul 23 | Qualifier        | Apoel NicosiaApoel Nicosia | 2 - 1 | VojvodinaVojvodina |
| 27 Jul 23 | Qualifier        | DjurgaardenDjurgaarden | 1 - 2 | LucerneLucerne |
| 27 Jul 23 | Qualifier        | Gżira UnitedGżira United | 2 - 0 | F91 DudelangeF91 Dudelange |
| 27 Jul 23 | Qualifier        | Torpedo KutaisiTorpedo Kutai | 1 - 4 | AktobeAktobe |
| 27 Jul 23 | Qualifier        | Kalmar FFKalmar FF | 1 - 2 | Pyunik YerevanPyunik Yereva |
| 27 Jul 23 | Qualifier        | Kecskeméti TEKecskeméti TE | 2 - 1 | Riga FCRiga FC |
| 27 Jul 23 | Qualifier        | FerencvarosFerencvaros | 4 - 0 | ShamrockShamrock |
| 27 Jul 23 | Qualifier        | Maccabi Tel AvivMaccabi Tel A | 3 - 0 | Petrocub HînceștiPetrocub Hînc |
| 27 Jul 23 | Qualifier        | PAOKPAOK | 0 - 0 | Beitar JerusalemBeitar Jerusa |
| 27 Jul 23 | Qualifier        | CFR Cluj-NapocaCFR Cluj-Napo | 1 - 1 | Adana DemirsporAdana Demirsp |
| 27 Jul 23 | Qualifier        | Farul ConstantaFarul Constan | 3 - 2 | UrartuUrartu |
| 27 Jul 23 | Qualifier        | FC BaselFC Basel | 1 - 3 | FC TobolFC Tobol |
| 27 Jul 23 | Qualifier        | FC 03 DifferdangeFC 03 Differd | 1 - 1 | NK MariborNK Maribor |
| 27 Jul 23 | Qualifier        | VorsklaVorskla | 2 - 1 | Dila GoriDila Gori |
| 27 Jul 23 | Qualifier        | Torpedo-BelAZ ZhodinoTorpedo-BelAZ | 2 - 3 | AEK LarnacaAEK Larnaca |
| 27 Jul 23 | Qualifier        | OsijekOsijek | 1 - 0 | Zalaegerszegi TEZalaegerszegi |
| 27 Jul 23 | Qualifier        | FC TwenteFC Twente | 1 - 0 | HammarbyHammarby |
| 27 Jul 23 | Qualifier        | Club BruggeClub Brugge | 3 - 0 | AGF AarhusAGF Aarhus |
| 27 Jul 23 | Qualifier        | CeljeCelje | 3 - 4 | GuimaraesGuimaraes |
| 27 Jul 23 | Qualifier        | KAKA | 3 - 1 | DundalkDundalk |
| 27 Jul 23 | Qualifier        | B36 TorshavnB36 Torshavn | 2 - 1 | Haverfordwest CountyHaverfordwest |
| 27 Jul 23 | Qualifier        | Hapoel Beer ShevaHapoel Beer S | 1 - 0 | FK PanevėžysFK Panevėžys |
| 27 Jul 23 | Qualifier        | BesiktasBesiktas | 3 - 1 | SK TiranaSK Tirana |
| 27 Jul 23 | Qualifier        | GentGent | 5 - 1 | MSK ZilinaMSK Zilina |
| 27 Jul 23 | Qualifier        | DukagjiniDukagjini | 0 - 1 | RijekaRijeka |
| 27 Jul 23 | Qualifier        | Lech PoznanLech Poznan | 3 - 1 | Kauno ŽalgirisKauno Žalgiri |
| 27 Jul 23 | Qualifier        | Austria ViennaAustria Vienn | 1 - 0 | Borac Banja LukaBorac Banja L |
| 27 Jul 23 | Qualifier        | Derry CityDerry City | 2 - 1 | KuPS KuopioKuPS Kuopio |
| 27 Jul 23 | Qualifier        | LinfieldLinfield | 2 - 5 | Pogon SzczecinPogon Szczeci |
| 27 Jul 23 | Qualifier        | SutjeskaSutjeska | 2 - 0 | FC Santa ColomaFC Santa Colo |
| 27 Jul 23 | Qualifier        | ZeljeznicarZeljeznicar | 2 - 2 | Neftçi PFKNeftçi PFK |
| 27 Jul 23 | Qualifier        | CrusadersCrusaders | 2 - 2 | RosenborgRosenborg |
| 27 Jul 23 | Qualifier        | ShkupiShkupi | 0 - 2 | Levski SofiaLevski Sofia |
| 01 Aug 23 | Qualifier        | Valmieras FKValmieras FK | 7 - 0 | Tre PenneTre Penne |
| 01 Aug 23 | Qualifier        | Balzan FCBalzan FC | 0 - 0 | Neman GrodnoNeman Grodno |
| 01 Aug 23 | Qualifier        | Zimbru ChisinauZimbru Chisin | 0 - 4 | FenerbahceFenerbahce |
| 01 Aug 23 | Qualifier        | Swift HesperangeSwift Hespera | 3 - 2 | TNSTNS |
| 01 Aug 23 | Qualifier        | PartizaniPartizani | 4 - 1 | Atlètic d'EscaldesAtlètic d'Esc |
| 01 Aug 23 | Qualifier        | Buducnost PodgoricaBuducnost Pod | 3 - 4 | StrugaStruga |
| 02 Aug 23 | Qualifier        | AEK LarnacaAEK Larnaca | 1 - 1 | Torpedo-BelAZ ZhodinoTorpedo-BelAZ |
| 02 Aug 23 | Qualifier        | F91 DudelangeF91 Dudelange | 2 - 1 | Gżira UnitedGżira United |
| 03 Aug 23 | Qualifier        | FC TobolFC Tobol | 1 - 2 | FC BaselFC Basel |
| 03 Aug 23 | Qualifier        | FC Santa ColomaFC Santa Colo | 3 - 0 | SutjeskaSutjeska |
| 03 Aug 23 | Qualifier        | Pyunik YerevanPyunik Yereva | 2 - 1 | Kalmar FFKalmar FF |
| 03 Aug 23 | Qualifier        | FC Spartak TrnavaFC Spartak Tr | 4 - 1 | Auda KekavaAuda Kekava |
| 03 Aug 23 | Qualifier        | Kauno ŽalgirisKauno Žalgiri | 1 - 2 | Lech PoznanLech Poznan |
| 03 Aug 23 | Qualifier        | UrartuUrartu | 2 - 3 | Farul ConstantaFarul Constan |
| 03 Aug 23 | Qualifier        | FK PanevėžysFK Panevėžys | 1 - 1 | Hapoel Beer ShevaHapoel Beer S |
| 03 Aug 23 | Qualifier        | Dinamo TbilisiDinamo Tbilis | 0 - 1 | Ħamrun SpartansĦamrun Sparta |
| 03 Aug 23 | Qualifier        | Sabah FCSabah FC | 2 - 1 | Rīgas Futbola SkolaRīgas Futbola |
| 03 Aug 23 | Qualifier        | KuPS KuopioKuPS Kuopio | 3 - 3 | Derry CityDerry City |
| 03 Aug 23 | Qualifier        | Pogon SzczecinPogon Szczeci | 3 - 2 | LinfieldLinfield |
| 03 Aug 23 | Qualifier        | AktobeAktobe | 1 - 2 | Torpedo KutaisiTorpedo Kutai |
| 03 Aug 23 | Qualifier        | Zalaegerszegi TEZalaegerszegi | 1 - 2 | OsijekOsijek |
| 03 Aug 23 | Qualifier        | Petrocub HînceștiPetrocub Hînc | 0 - 2 | Maccabi Tel AvivMaccabi Tel A |
| 03 Aug 23 | Qualifier        | Sepsi OSK Sfântu GheorgheSepsi OSK Sfâ | 4 - 0 | CSKA SofiaCSKA Sofia |
| 03 Aug 23 | Qualifier        | Omonia NicosiaOmonia Nicosi | 4 - 1 | Gabala FKGabala FK |
| 03 Aug 23 | Qualifier        | Riga FCRiga FC | 3 - 1 | Kecskeméti TEKecskeméti TE |
| 03 Aug 23 | Qualifier        | Dila GoriDila Gori | 3 - 1 | VorsklaVorskla |
| 03 Aug 23 | Qualifier        | Neftçi PFKNeftçi PFK | 2 - 0 | ZeljeznicarZeljeznicar |
| 03 Aug 23 | Qualifier        | RosenborgRosenborg | 3 - 2 | CrusadersCrusaders |
| 03 Aug 23 | Qualifier        | Levski SofiaLevski Sofia | 1 - 0 | ShkupiShkupi |
| 03 Aug 23 | Qualifier        | Bohemians 1905Bohemians 190 | 2 - 4 | Bodoe/GlimtBodoe/Glimt |
| 03 Aug 23 | Qualifier        | Beitar JerusalemBeitar Jerusa | 1 - 4 | PAOKPAOK |
| 03 Aug 23 | Qualifier        | Progrès NiederkornProgrès Niede | 2 - 1 | FC MidtjyllandFC Midtjyllan |
| 03 Aug 23 | Qualifier        | DritaDrita | 1 - 2 | Viktoria PlzenViktoria Plze |
| 03 Aug 23 | Qualifier        | AGF AarhusAGF Aarhus | 1 - 0 | Club BruggeClub Brugge |
| 03 Aug 23 | Qualifier        | HammarbyHammarby | 1 - 1 | FC TwenteFC Twente |
| 03 Aug 23 | Qualifier        | VojvodinaVojvodina | 1 - 2 | Apoel NicosiaApoel Nicosia |
| 03 Aug 23 | Qualifier        | Adana DemirsporAdana Demirsp | 2 - 1 | CFR Cluj-NapocaCFR Cluj-Napo |
| 03 Aug 23 | Qualifier        | SK TiranaSK Tirana | 0 - 2 | BesiktasBesiktas |
| 03 Aug 23 | Qualifier        | MSK ZilinaMSK Zilina | 2 - 5 | GentGent |
| 03 Aug 23 | Qualifier        | RijekaRijeka | 6 - 1 | DukagjiniDukagjini |
| 03 Aug 23 | Qualifier        | HibernianHibernian | 6 - 1 | Inter Club d'EscaldesInter Club d' |
| 03 Aug 23 | Qualifier        | ArisAris | 1 - 0 | Ararat-ArmeniaArarat-Armeni |
| 03 Aug 23 | Qualifier        | Borac Banja LukaBorac Banja L | 1 - 2 | Austria ViennaAustria Vienn |
| 03 Aug 23 | Qualifier        | Steaua BucurestiSteaua Bucure | 3 - 2 | CSKA 1948CSKA 1948 |
| 03 Aug 23 | Qualifier        | NK MariborNK Maribor | 4 - 3 | FC 03 DifferdangeFC 03 Differd |
| 03 Aug 23 | Qualifier        | LarneLarne | 1 - 4 | BallkaniBallkani |
| 03 Aug 23 | Qualifier        | LucerneLucerne | 1 - 1 | DjurgaardenDjurgaarden |
| 03 Aug 23 | Qualifier        | DundalkDundalk | 2 - 2 | KAKA |
| 03 Aug 23 | Qualifier        | Haverfordwest CountyHaverfordwest | 1 - 1 | B36 TorshavnB36 Torshavn |
| 03 Aug 23 | Qualifier        | Legia WarsawLegia Warsaw | 3 - 2 | Ordabasy ShymkentOrdabasy Shym |
| 03 Aug 23 | Qualifier        | DebrecenDebrecen | 1 - 2 | AlashkertAlashkert |
| 03 Aug 23 | Qualifier        | ShamrockShamrock | 0 - 2 | FerencvarosFerencvaros |
| 03 Aug 23 | Qualifier        | GuimaraesGuimaraes | 0 - 1 | CeljeCelje |
| 09 Aug 23 | Qualifier        | AEK LarnacaAEK Larnaca | 1 - 1 | Maccabi Tel AvivMaccabi Tel A |
| 09 Aug 23 | Qualifier        | GentGent | 5 - 0 | Pogon SzczecinPogon Szczeci |
| 10 Aug 23 | Qualifier        | FC TobolFC Tobol | 1 - 0 | Derry CityDerry City |
| 10 Aug 23 | Qualifier        | StrugaStruga | 3 - 1 | Swift HesperangeSwift Hespera |
| 10 Aug 23 | Qualifier        | Sabah FCSabah FC | 2 - 0 | Partizan BelgradePartizan Belg |
| 10 Aug 23 | Qualifier        | Bodoe/GlimtBodoe/Glimt | 3 - 0 | Pyunik YerevanPyunik Yereva |
| 10 Aug 23 | Qualifier        | Valmieras FKValmieras FK | 1 - 2 | PartizaniPartizani |
| 10 Aug 23 | Qualifier        | Legia WarsawLegia Warsaw | 1 - 2 | Austria ViennaAustria Vienn |
| 10 Aug 23 | Qualifier        | Sepsi OSK Sfântu GheorgheSepsi OSK Sfâ | 1 - 1 | AktobeAktobe |
| 10 Aug 23 | Qualifier        | FC Santa ColomaFC Santa Colo | 0 - 1 | AZ AlkmaarAZ Alkmaar |
| 10 Aug 23 | Qualifier        | Viktoria PlzenViktoria Plze | 4 - 0 | Gżira UnitedGżira United |
| 10 Aug 23 | Qualifier        | Dila GoriDila Gori | 0 - 2 | Apoel NicosiaApoel Nicosia |
| 10 Aug 23 | Qualifier        | RosenborgRosenborg | 2 - 1 | HeartsHearts |
| 10 Aug 23 | Qualifier        | Neftçi PFKNeftçi PFK | 1 - 3 | BesiktasBesiktas |
| 10 Aug 23 | Qualifier        | Omonia NicosiaOmonia Nicosi | 1 - 0 | FC MidtjyllandFC Midtjyllan |
| 10 Aug 23 | Qualifier        | Hapoel Beer ShevaHapoel Beer S | 0 - 0 | Levski SofiaLevski Sofia |
| 10 Aug 23 | Qualifier        | Farul ConstantaFarul Constan | 3 - 0 | FC Flora TallinFC Flora Tall |
| 10 Aug 23 | Qualifier        | Ħamrun SpartansĦamrun Sparta | 1 - 6 | FerencvarosFerencvaros |
| 10 Aug 23 | Qualifier        | AroucaArouca | 2 - 1 | BrannBrann |
| 10 Aug 23 | Qualifier        | Lech PoznanLech Poznan | 2 - 1 | FC Spartak TrnavaFC Spartak Tr |
| 10 Aug 23 | Qualifier        | CeljeCelje | 1 - 0 | Neman GrodnoNeman Grodno |
| 10 Aug 23 | Qualifier        | B36 TorshavnB36 Torshavn | 1 - 3 | RijekaRijeka |
| 10 Aug 23 | Qualifier        | FC TwenteFC Twente | 2 - 0 | Riga FCRiga FC |
| 10 Aug 23 | Qualifier        | FenerbahceFenerbahce | 3 - 1 | NK MariborNK Maribor |
| 10 Aug 23 | Qualifier        | Adana DemirsporAdana Demirsp | 5 - 1 | OsijekOsijek |
| 10 Aug 23 | Qualifier        | Club BruggeClub Brugge | 5 - 1 | KAKA |
| 10 Aug 23 | Qualifier        | ArisAris | 1 - 0 | Dynamo KievDynamo Kiev |
| 10 Aug 23 | Qualifier        | HibernianHibernian | 3 - 1 | LucerneLucerne |
| 10 Aug 23 | Qualifier        | Steaua BucurestiSteaua Bucure | 0 - 0 | FC NordsjællandFC Nordsjælla |
| 10 Aug 23 | Qualifier        | BallkaniBallkani | 2 - 0 | Lincoln Red ImpsLincoln Red I |
| 10 Aug 23 | Qualifier        | Rapid ViennaRapid Vienna | 0 - 0 | DebrecenDebrecen |
| 10 Aug 23 | Qualifier        | Hajduk SplitHajduk Split | 0 - 0 | PAOKPAOK |
| 16 Aug 23 | Qualifier        | FC Flora TallinFC Flora Tall | 0 - 2 | Farul ConstantaFarul Constan |
| 17 Aug 23 | Qualifier        | AktobeAktobe | 0 - 1 | Sepsi OSK Sfântu GheorgheSepsi OSK Sfâ |
| 17 Aug 23 | Qualifier        | Pogon SzczecinPogon Szczeci | 2 - 1 | GentGent |
| 17 Aug 23 | Qualifier        | Lincoln Red ImpsLincoln Red I | 1 - 3 | BallkaniBallkani |
| 17 Aug 23 | Qualifier        | Pyunik YerevanPyunik Yereva | 0 - 3 | Bodoe/GlimtBodoe/Glimt |
| 17 Aug 23 | Qualifier        | BrannBrann | 3 - 1 | AroucaArouca |
| 17 Aug 23 | Qualifier        | Austria ViennaAustria Vienn | 3 - 5 | Legia WarsawLegia Warsaw |
| 17 Aug 23 | Qualifier        | Levski SofiaLevski Sofia | 2 - 1 | Hapoel Beer ShevaHapoel Beer S |
| 17 Aug 23 | Qualifier        | Maccabi Tel AvivMaccabi Tel A | 1 - 0 | AEK LarnacaAEK Larnaca |
| 17 Aug 23 | Qualifier        | Riga FCRiga FC | 0 - 3 | FC TwenteFC Twente |
| 17 Aug 23 | Qualifier        | Gżira UnitedGżira United | 0 - 2 | Viktoria PlzenViktoria Plze |
| 17 Aug 23 | Qualifier        | Apoel NicosiaApoel Nicosia | 1 - 0 | Dila GoriDila Gori |
| 17 Aug 23 | Qualifier        | FerencvarosFerencvaros | 2 - 1 | Ħamrun SpartansĦamrun Sparta |
| 17 Aug 23 | Qualifier        | FC NordsjællandFC Nordsjælla | 2 - 0 | Steaua BucurestiSteaua Bucure |
| 17 Aug 23 | Qualifier        | Dynamo KievDynamo Kiev | 2 - 1 | ArisAris |
| 17 Aug 23 | Qualifier        | PAOKPAOK | 3 - 0 | Hajduk SplitHajduk Split |
| 17 Aug 23 | Qualifier        | FC MidtjyllandFC Midtjyllan | 5 - 1 | Omonia NicosiaOmonia Nicosi |
| 17 Aug 23 | Qualifier        | PartizaniPartizani | 1 - 0 | Valmieras FKValmieras FK |
| 17 Aug 23 | Qualifier        | Swift HesperangeSwift Hespera | 2 - 1 | StrugaStruga |
| 17 Aug 23 | Qualifier        | BesiktasBesiktas | 2 - 1 | Neftçi PFKNeftçi PFK |
| 17 Aug 23 | Qualifier        | FC Spartak TrnavaFC Spartak Tr | 3 - 1 | Lech PoznanLech Poznan |
| 17 Aug 23 | Qualifier        | Neman GrodnoNeman Grodno | 1 - 4 | CeljeCelje |
| 17 Aug 23 | Qualifier        | OsijekOsijek | 3 - 2 | Adana DemirsporAdana Demirsp |
| 17 Aug 23 | Qualifier        | KAKA | 1 - 5 | Club BruggeClub Brugge |
| 17 Aug 23 | Qualifier        | RijekaRijeka | 2 - 0 | B36 TorshavnB36 Torshavn |
| 17 Aug 23 | Qualifier        | NK MariborNK Maribor | 0 - 3 | FenerbahceFenerbahce |
| 17 Aug 23 | Qualifier        | AZ AlkmaarAZ Alkmaar | 2 - 0 | FC Santa ColomaFC Santa Colo |
| 17 Aug 23 | Qualifier        | LucerneLucerne | 2 - 2 | HibernianHibernian |
| 17 Aug 23 | Qualifier        | Derry CityDerry City | 1 - 0 | FC TobolFC Tobol |
| 17 Aug 23 | Qualifier        | HeartsHearts | 3 - 1 | RosenborgRosenborg |
| 17 Aug 23 | Qualifier        | Partizan BelgradePartizan Belg | 2 - 0 | Sabah FCSabah FC |
| 17 Aug 23 | Qualifier        | DebrecenDebrecen | 0 - 5 | Rapid ViennaRapid Vienna |
| 23 Aug 23 | Qualifier        | FC Spartak TrnavaFC Spartak Tr | 1 - 1 | SC Dnipro-1SC Dnipro-1 |
| 23 Aug 23 | Qualifier        | HibernianHibernian | 0 - 5 | Aston VillaAston Villa |
| 24 Aug 23 | Qualifier        | FC TobolFC Tobol | 1 - 2 | Viktoria PlzenViktoria Plze |
| 24 Aug 23 | Qualifier        | FC AstanaFC Astana | 1 - 0 | PartizaniPartizani |
| 24 Aug 23 | Qualifier        | StrugaStruga | 0 - 1 | BreidablikBreidablik |
| 24 Aug 23 | Qualifier        | VMFD ZalgirisVMFD Zalgiris | 0 - 4 | FerencvarosFerencvaros |
| 24 Aug 23 | Qualifier        | FC NordsjællandFC Nordsjælla | 5 - 0 | Partizan BelgradePartizan Belg |
| 24 Aug 23 | Qualifier        | FenerbahceFenerbahce | 5 - 1 | FC TwenteFC Twente |
| 24 Aug 23 | Qualifier        | Dynamo KievDynamo Kiev | 2 - 3 | BesiktasBesiktas |
| 24 Aug 23 | Qualifier        | Sepsi OSK Sfântu GheorgheSepsi OSK Sfâ | 2 - 2 | Bodoe/GlimtBodoe/Glimt |
| 24 Aug 23 | Qualifier        | Maccabi Tel AvivMaccabi Tel A | 4 - 1 | CeljeCelje |
| 24 Aug 23 | Qualifier        | Levski SofiaLevski Sofia | 1 - 1 | Ein FrankfurtEin Frankfurt |
| 24 Aug 23 | Qualifier        | Rapid ViennaRapid Vienna | 1 - 0 | FiorentinaFiorentina |
| 24 Aug 23 | Qualifier        | Farul ConstantaFarul Constan | 2 - 1 | HJK HelsinkiHJK Helsinki |
| 24 Aug 23 | Qualifier        | FC MidtjyllandFC Midtjyllan | 3 - 3 | Legia WarsawLegia Warsaw |
| 24 Aug 23 | Qualifier        | Apoel NicosiaApoel Nicosia | 2 - 0 | GentGent |
| 24 Aug 23 | Qualifier        | LilleLille | 2 - 1 | RijekaRijeka |
| 24 Aug 23 | Qualifier        | GenkGenk | 2 - 1 | Adana DemirsporAdana Demirsp |
| 24 Aug 23 | Qualifier        | GentGent | 2 - 0 | Apoel NicosiaApoel Nicosia |
| 24 Aug 23 | Qualifier        | OsasunaOsasuna | 1 - 2 | Club BruggeClub Brugge |
| 24 Aug 23 | Qualifier        | AZ AlkmaarAZ Alkmaar | 1 - 1 | BrannBrann |
| 24 Aug 23 | Qualifier        | HeartsHearts | 1 - 2 | PAOKPAOK |
| 24 Aug 23 | Qualifier        | BallkaniBallkani | 4 - 1 | BATE BorisovBATE Borisov |
| 31 Aug 23 | Qualifier        | Bodoe/GlimtBodoe/Glimt | 3 - 2 | Sepsi OSK Sfântu GheorgheSepsi OSK Sfâ |
| 31 Aug 23 | Qualifier        | HJK HelsinkiHJK Helsinki | 2 - 0 | Farul ConstantaFarul Constan |
| 31 Aug 23 | Qualifier        | BreidablikBreidablik | 1 - 0 | StrugaStruga |
| 31 Aug 23 | Qualifier        | FC TwenteFC Twente | 0 - 1 | FenerbahceFenerbahce |
| 31 Aug 23 | Qualifier        | BrannBrann | 3 - 3 | AZ AlkmaarAZ Alkmaar |
| 31 Aug 23 | Qualifier        | Viktoria PlzenViktoria Plze | 3 - 0 | FC TobolFC Tobol |
| 31 Aug 23 | Qualifier        | GentGent | 1 - 2 | Apoel NicosiaApoel Nicosia |
| 31 Aug 23 | Qualifier        | Apoel NicosiaApoel Nicosia | 0 - 2 | GentGent |
| 31 Aug 23 | Qualifier        | PAOKPAOK | 4 - 0 | HeartsHearts |
| 31 Aug 23 | Qualifier        | BesiktasBesiktas | 1 - 0 | Dynamo KievDynamo Kiev |
| 31 Aug 23 | Qualifier        | CeljeCelje | 1 - 1 | Maccabi Tel AvivMaccabi Tel A |
| 31 Aug 23 | Qualifier        | FiorentinaFiorentina | 2 - 0 | Rapid ViennaRapid Vienna |
| 31 Aug 23 | Qualifier        | SC Dnipro-1SC Dnipro-1 | 1 - 2 | FC Spartak TrnavaFC Spartak Tr |
| 31 Aug 23 | Qualifier        | PartizaniPartizani | 1 - 1 | FC AstanaFC Astana |
| 31 Aug 23 | Qualifier        | FerencvarosFerencvaros | 3 - 0 | VMFD ZalgirisVMFD Zalgiris |
| 31 Aug 23 | Qualifier        | Adana DemirsporAdana Demirsp | 1 - 0 | GenkGenk |
| 31 Aug 23 | Qualifier        | BATE BorisovBATE Borisov | 1 - 0 | BallkaniBallkani |
| 31 Aug 23 | Qualifier        | RijekaRijeka | 1 - 1 | LilleLille |
| 31 Aug 23 | Qualifier        | Club BruggeClub Brugge | 2 - 2 | OsasunaOsasuna |
| 31 Aug 23 | Qualifier        | Ein FrankfurtEin Frankfurt | 2 - 0 | Levski SofiaLevski Sofia |
| 31 Aug 23 | Qualifier        | Legia WarsawLegia Warsaw | 1 - 1 | FC MidtjyllandFC Midtjyllan |
| 31 Aug 23 | Qualifier        | Aston VillaAston Villa | 3 - 0 | HibernianHibernian |
| 31 Aug 23 | Qualifier        | Partizan BelgradePartizan Belg | 0 - 1 | FC NordsjællandFC Nordsjælla |