| 2. Round | 27/07/2023 | NK Celje | - | Vitória Guimarães | 3:4 | ||||
| 2. Round | 03/08/2023 | Vitória Guimarães | - | NK Celje | 2:4 pso |  |
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| 3. Round | 10/08/2023 | NK Celje | - | Neman Grodno | 1:0 | ||||
| 3. Round | 17/08/2023 | Neman Grodno | - | NK Celje | 1:4 | |
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| Play-offs | 24/08/2023 | Maccabi Tel Aviv | - | NK Celje | 4:1 | ||||
| Play-offs | 31/08/2023 | NK Celje | - | Maccabi Tel Aviv | 1:1 |
Slovenia