| 20 Apr 21 | QF        | Anadolu Efes SKAnadolu Efes | 90 - 63 | Real Madrid BaloncestoReal Madrid B |
| 20 Apr 21 | QF        | Olimpia MilanoOlimpia Milan | 79 - 78 | Bayern München BasketballBayern Münche |
| 21 Apr 21 | QF        | PBC CSKA MoscowPBC CSKA Mosc | 92 - 76 | Fenerbahçe BasketbolFenerbahçe Ba |
| 21 Apr 21 | QF        | FC Barcelona BasquetFC Barcelona | 74 - 76 | BC Zenit Saint PetersburgBC Zenit Sain |
| 22 Apr 21 | QF        | Anadolu Efes SKAnadolu Efes | 91 - 68 | Real Madrid BaloncestoReal Madrid B |
| 22 Apr 21 | QF        | Olimpia MilanoOlimpia Milan | 80 - 69 | Bayern München BasketballBayern Münche |
| 23 Apr 21 | QF        | PBC CSKA MoscowPBC CSKA Mosc | 78 - 67 | Fenerbahçe BasketbolFenerbahçe Ba |
| 23 Apr 21 | QF        | FC Barcelona BasquetFC Barcelona | 81 - 78 | BC Zenit Saint PetersburgBC Zenit Sain |
| 27 Apr 21 | QF        | Real Madrid BaloncestoReal Madrid B | 80 - 76 | Anadolu Efes SKAnadolu Efes |
| 28 Apr 21 | QF        | BC Zenit Saint PetersburgBC Zenit Sain | 70 - 78 | FC Barcelona BasquetFC Barcelona |
| 28 Apr 21 | QF        | Fenerbahçe BasketbolFenerbahçe Ba | 68 - 85 | PBC CSKA MoscowPBC CSKA Mosc |
| 28 Apr 21 | QF        | Bayern München BasketballBayern Münche | 85 - 79 | Olimpia MilanoOlimpia Milan |
| 29 Apr 21 | QF        | Real Madrid BaloncestoReal Madrid B | 82 - 76 | Anadolu Efes SKAnadolu Efes |
| 30 Apr 21 | QF        | BC Zenit Saint PetersburgBC Zenit Sain | 74 - 61 | FC Barcelona BasquetFC Barcelona |
| 30 Apr 21 | QF        | Bayern München BasketballBayern Münche | 85 - 82 | Olimpia MilanoOlimpia Milan |
| 04 May 21 | QF        | Anadolu Efes SKAnadolu Efes | 88 - 83 | Real Madrid BaloncestoReal Madrid B |
| 04 May 21 | QF        | Olimpia MilanoOlimpia Milan | 92 - 89 | Bayern München BasketballBayern Münche |
| 04 May 21 | QF        | FC Barcelona BasquetFC Barcelona | 79 - 53 | BC Zenit Saint PetersburgBC Zenit Sain |