| 2. Runde | 22.07.2021 | CSKA Sofia | - | FK Liepāja | 0:0 | ||||
| 2. Runde | 29.07.2021 | FK Liepāja | - | CSKA Sofia | 1:3 i.E. | ||||
| 3. Runde | 05.08.2021 | CSKA Sofia | - | NK Osijek | 4:2 | ||||
| 3. Runde | 12.08.2021 | NK Osijek | - | CSKA Sofia | 1:1 | ||||
| Playoffs | 19.08.2021 | Viktoria Plzeň | - | CSKA Sofia | 2:0 | ||||
| Playoffs | 26.08.2021 | CSKA Sofia | - | Viktoria Plzeň | 3:0 n.V. |  |
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Niederlande