| Group A | 21/09/2023 | Slovan Bratislava | - | KÍ Klaksvík | 2:1 |  |
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| Group A | 05/10/2023 | Olimpija Ljubljana | - | Slovan Bratislava | 0:1 | ||||
| Group A | 26/10/2023 | Lille OSC | - | Slovan Bratislava | 2:1 | ||||
| Group A | 09/11/2023 | Slovan Bratislava | - | Lille OSC | 1:1 | |
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| Group A | 30/11/2023 | KÍ Klaksvík | - | Slovan Bratislava | 1:2 | |
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| Play-offs | 15/02/2024 | Sturm Graz | - | Slovan Bratislava | 4:1 | ||||
| Play-offs | 22/02/2024 | Slovan Bratislava | - | Sturm Graz | 0:1 |
Greece