| 11 Jul 23 | Qualifier        | UrartuUrartu | 0 - 1 | ZrinjskiZrinjski |
| 11 Jul 23 | Qualifier        | Lincoln Red ImpsLincoln Red I | 1 - 2 | Qarabag FKQarabag FK |
| 11 Jul 23 | Qualifier        | VMFD ZalgirisVMFD Zalgiris | 0 - 0 | StrugaStruga |
| 11 Jul 23 | Qualifier        | Ħamrun SpartansĦamrun Sparta | 0 - 4 | Maccabi HaifaMaccabi Haifa |
| 11 Jul 23 | Qualifier        | Rakow CzestochowaRakow Czestoc | 1 - 0 | FC Flora TallinFC Flora Tall |
| 11 Jul 23 | Qualifier        | Olimpija LjubljanaOlimpija Ljub | 2 - 1 | Valmieras FKValmieras FK |
| 11 Jul 23 | Qualifier        | PartizaniPartizani | 1 - 1 | BATE BorisovBATE Borisov |
| 11 Jul 23 | Qualifier        | KÍ KlaksvíkKÍ Klaksvík | 0 - 0 | FerencvarosFerencvaros |
| 11 Jul 23 | Qualifier        | BallkaniBallkani | 2 - 0 | Ludogorets RazgradLudogorets Ra |
| 11 Jul 23 | Qualifier        | ShamrockShamrock | 0 - 1 | BreidablikBreidablik |
| 12 Jul 23 | Qualifier        | FC AstanaFC Astana | 1 - 1 | Dinamo TbilisiDinamo Tbilis |
| 12 Jul 23 | Qualifier        | HJK HelsinkiHJK Helsinki | 1 - 0 | LarneLarne |
| 12 Jul 23 | Qualifier        | HackenHacken | 3 - 1 | TNSTNS |
| 12 Jul 23 | Qualifier        | Farul ConstantaFarul Constan | 1 - 0 | Sheriff TiraspolSheriff Tiras |
| 12 Jul 23 | Qualifier        | Slovan BratislavaSlovan Bratis | 1 - 1 | Swift HesperangeSwift Hespera |
| 18 Jul 23 | Qualifier        | StrugaStruga | 1 - 2 | VMFD ZalgirisVMFD Zalgiris |
| 18 Jul 23 | Qualifier        | Maccabi HaifaMaccabi Haifa | 2 - 1 | Ħamrun SpartansĦamrun Sparta |
| 18 Jul 23 | Qualifier        | Sheriff TiraspolSheriff Tiras | 3 - 0 | Farul ConstantaFarul Constan |
| 18 Jul 23 | Qualifier        | FC Flora TallinFC Flora Tall | 0 - 3 | Rakow CzestochowaRakow Czestoc |
| 18 Jul 23 | Qualifier        | ZrinjskiZrinjski | 2 - 3 | UrartuUrartu |
| 18 Jul 23 | Qualifier        | BATE BorisovBATE Borisov | 2 - 0 | PartizaniPartizani |
| 18 Jul 23 | Qualifier        | TNSTNS | 0 - 2 | HackenHacken |
| 18 Jul 23 | Qualifier        | BreidablikBreidablik | 2 - 1 | ShamrockShamrock |
| 19 Jul 23 | Qualifier        | Valmieras FKValmieras FK | 1 - 2 | Olimpija LjubljanaOlimpija Ljub |
| 19 Jul 23 | Qualifier        | Dinamo TbilisiDinamo Tbilis | 1 - 2 | FC AstanaFC Astana |
| 19 Jul 23 | Qualifier        | Qarabag FKQarabag FK | 4 - 0 | Lincoln Red ImpsLincoln Red I |
| 19 Jul 23 | Qualifier        | FerencvarosFerencvaros | 0 - 3 | KÍ KlaksvíkKÍ Klaksvík |
| 19 Jul 23 | Qualifier        | Swift HesperangeSwift Hespera | 0 - 2 | Slovan BratislavaSlovan Bratis |
| 19 Jul 23 | Qualifier        | Ludogorets RazgradLudogorets Ra | 4 - 0 | BallkaniBallkani |
| 19 Jul 23 | Qualifier        | LarneLarne | 2 - 2 | HJK HelsinkiHJK Helsinki |
| 25 Jul 23 | Qualifier        | VMFD ZalgirisVMFD Zalgiris | 2 - 2 | GalatasarayGalatasaray |
| 25 Jul 23 | Qualifier        | HJK HelsinkiHJK Helsinki | 1 - 0 | MoldeMolde |
| 25 Jul 23 | Qualifier        | SC Dnipro-1SC Dnipro-1 | 1 - 3 | PanathinaikosPanathinaikos |
| 25 Jul 23 | Qualifier        | Dinamo ZagrebDinamo Zagreb | 4 - 0 | FC AstanaFC Astana |
| 25 Jul 23 | Qualifier        | ServetteServette | 1 - 1 | GenkGenk |
| 25 Jul 23 | Qualifier        | ZrinjskiZrinjski | 0 - 1 | Slovan BratislavaSlovan Bratis |
| 25 Jul 23 | Qualifier        | BreidablikBreidablik | 0 - 2 | FC CopenhagenFC Copenhagen |
| 26 Jul 23 | Qualifier        | Sheriff TiraspolSheriff Tiras | 1 - 0 | Maccabi HaifaMaccabi Haifa |
| 26 Jul 23 | Qualifier        | Aris LimassolAris Limassol | 6 - 2 | BATE BorisovBATE Borisov |
| 26 Jul 23 | Qualifier        | Rakow CzestochowaRakow Czestoc | 3 - 2 | Qarabag FKQarabag FK |
| 26 Jul 23 | Qualifier        | Ludogorets RazgradLudogorets Ra | 1 - 1 | Olimpija LjubljanaOlimpija Ljub |
| 26 Jul 23 | Qualifier        | KÍ KlaksvíkKÍ Klaksvík | 0 - 0 | HackenHacken |
| 01 Aug 23 | Qualifier        | PanathinaikosPanathinaikos | 2 - 2 | SC Dnipro-1SC Dnipro-1 |
| 01 Aug 23 | Qualifier        | BATE BorisovBATE Borisov | 3 - 5 | Aris LimassolAris Limassol |
| 01 Aug 23 | Qualifier        | Olimpija LjubljanaOlimpija Ljub | 2 - 1 | Ludogorets RazgradLudogorets Ra |
| 01 Aug 23 | Qualifier        | Slovan BratislavaSlovan Bratis | 2 - 2 | ZrinjskiZrinjski |
| 02 Aug 23 | Qualifier        | FC AstanaFC Astana | 0 - 2 | Dinamo ZagrebDinamo Zagreb |
| 02 Aug 23 | Qualifier        | Qarabag FKQarabag FK | 1 - 1 | Rakow CzestochowaRakow Czestoc |
| 02 Aug 23 | Qualifier        | GenkGenk | 2 - 2 | ServetteServette |
| 02 Aug 23 | Qualifier        | HackenHacken | 3 - 3 | KÍ KlaksvíkKÍ Klaksvík |
| 02 Aug 23 | Qualifier        | MoldeMolde | 2 - 0 | HJK HelsinkiHJK Helsinki |
| 02 Aug 23 | Qualifier        | Maccabi HaifaMaccabi Haifa | 4 - 1 | Sheriff TiraspolSheriff Tiras |
| 02 Aug 23 | Qualifier        | FC CopenhagenFC Copenhagen | 6 - 3 | BreidablikBreidablik |
| 02 Aug 23 | Qualifier        | GalatasarayGalatasaray | 1 - 0 | VMFD ZalgirisVMFD Zalgiris |
| 08 Aug 23 | Qualifier        | Rakow CzestochowaRakow Czestoc | 2 - 1 | Aris LimassolAris Limassol |
| 08 Aug 23 | Qualifier        | FC CopenhagenFC Copenhagen | 0 - 0 | Sparta PragueSparta Prague |
| 08 Aug 23 | Qualifier        | PSV EindhovenPSV Eindhoven | 4 - 1 | Sturm GrazSturm Graz |
| 08 Aug 23 | Qualifier        | KÍ KlaksvíkKÍ Klaksvík | 2 - 1 | MoldeMolde |
| 08 Aug 23 | Qualifier        | BragaBraga | 3 - 0 | TSC Bačka TopolaTSC Bačka Top |
| 08 Aug 23 | Qualifier        | Olimpija LjubljanaOlimpija Ljub | 0 - 3 | GalatasarayGalatasaray |
| 09 Aug 23 | Qualifier        | PanathinaikosPanathinaikos | 1 - 0 | MarseilleMarseille |
| 09 Aug 23 | Qualifier        | Slovan BratislavaSlovan Bratis | 1 - 2 | Maccabi HaifaMaccabi Haifa |
| 09 Aug 23 | Qualifier        | RangersRangers | 2 - 1 | ServetteServette |
| 15 Aug 23 | Qualifier        | Maccabi HaifaMaccabi Haifa | 3 - 1 | Slovan BratislavaSlovan Bratis |
| 15 Aug 23 | Qualifier        | Aris LimassolAris Limassol | 0 - 1 | Rakow CzestochowaRakow Czestoc |
| 15 Aug 23 | Qualifier        | Sparta PragueSparta Prague | 3 - 3 | FC CopenhagenFC Copenhagen |
| 15 Aug 23 | Qualifier        | MoldeMolde | 2 - 0 | KÍ KlaksvíkKÍ Klaksvík |
| 15 Aug 23 | Qualifier        | TSC Bačka TopolaTSC Bačka Top | 1 - 4 | BragaBraga |
| 15 Aug 23 | Qualifier        | Dinamo ZagrebDinamo Zagreb | 1 - 2 | AEKAEK |
| 15 Aug 23 | Qualifier        | GalatasarayGalatasaray | 1 - 0 | Olimpija LjubljanaOlimpija Ljub |
| 15 Aug 23 | Qualifier        | Sturm GrazSturm Graz | 1 - 3 | PSV EindhovenPSV Eindhoven |
| 15 Aug 23 | Qualifier        | ServetteServette | 1 - 1 | RangersRangers |
| 15 Aug 23 | Qualifier        | MarseilleMarseille | 2 - 1 | PanathinaikosPanathinaikos |
| 19 Aug 23 | Qualifier        | AEKAEK | 2 - 2 | Dinamo ZagrebDinamo Zagreb |
| 22 Aug 23 | Qualifier        | RangersRangers | 2 - 2 | PSV EindhovenPSV Eindhoven |
| 22 Aug 23 | Qualifier        | Rakow CzestochowaRakow Czestoc | 0 - 1 | FC CopenhagenFC Copenhagen |
| 22 Aug 23 | Qualifier        | AntwerpAntwerp | 1 - 0 | AEKAEK |
| 23 Aug 23 | Qualifier        | Maccabi HaifaMaccabi Haifa | 0 - 0 | Young BoysYoung Boys |
| 23 Aug 23 | Qualifier        | BragaBraga | 2 - 1 | PanathinaikosPanathinaikos |
| 23 Aug 23 | Qualifier        | MoldeMolde | 2 - 3 | GalatasarayGalatasaray |
| 29 Aug 23 | Qualifier        | Young BoysYoung Boys | 3 - 0 | Maccabi HaifaMaccabi Haifa |
| 29 Aug 23 | Qualifier        | PanathinaikosPanathinaikos | 0 - 1 | BragaBraga |
| 29 Aug 23 | Qualifier        | GalatasarayGalatasaray | 2 - 1 | MoldeMolde |
| 30 Aug 23 | Qualifier        | PSV EindhovenPSV Eindhoven | 5 - 1 | RangersRangers |
| 30 Aug 23 | Qualifier        | FC CopenhagenFC Copenhagen | 1 - 1 | Rakow CzestochowaRakow Czestoc |
| 30 Aug 23 | Qualifier        | AEKAEK | 1 - 2 | AntwerpAntwerp |