| 2024-05-09 20:00 | SF | Olympiacos |  | - |  | Aston Villa | | h2h |
| 2024-04-21 18:30 | | Olympiacos | | 2-1 |  | PAOK | Quini 27', Gelson Martins 61'; Marcos Antônio 90' | |
| 2024-04-11 17:45 | QF | Olympiacos | | 3-2 |  | Fenerbahçe | Kostas Fortounis 8', Stevan Jovetic 32', Chiquinho 57'; Dusan Tadic 68' (pen.), Irfan Kahveci 74' | |
| 2024-04-03 17:00 | | Olympiacos | | 3-0 |  | Aris | Ayoub Kaabi 6', Daniel Podence 60', João Carvalho 89' | |
| 2024-03-10 18:30 | | Olympiacos | | 1-3 |  | Panathinaikos | Daniel Podence 24'; Tasos Bakasetas 41', Fotis Ioannidis 45' 70' | |
| 2024-03-07 17:45 | L16 | Olympiacos | | 1-4 |  | Maccabi Tel Aviv | Ayoub Kaabi 13'; Eran Zahavi 4' 30', Ido Shahar 9', Dor Peretz 74' | |
| 2024-02-28 13:00 | L16 | Olympiacos | | 2-2(4-2 pens) |  | Lens | Charalampos Kostoulas 58' (pen.), Stavros Pnevmonidis 62'; Ayanda Sishuba 19', Rayan Fofana 52' | |
| 2024-02-15 17:45 | POff | Olympiacos | | 1-0 |  | Ferencváros | Ayoub Kaabi 83' | |
| 2024-01-17 19:00 | L16 | Olympiacos | | 0-0(6-7 pens) | | Panathinaikos | | |
| 2023-12-14 20:00 | Grp.A | Olympiacos | | 5-2 |  | TSC Backa Topola | Ayoub Kaabi 21', Daniel Podence 40' 42', Youssef El-Arabi 67'; Veljko Ilic 46' (o.g.), Ifet Djakovac 48', Aleksandar Cirkovic 60' | |
| 2023-11-29 15:00 | 2E | Olympiacos | | 4-0 |  | FK Qabala | Christos Mouzakitis 15' 72' (pen.), Christos Gatopoulos 56', Athanasios Koutsogoulas 90' (pen.) | |
| 2023-10-26 17:45 | Grp.A | Olympiacos | | 2-1 |  | West Ham | Kostas Fortounis 33', Rodinei 45'; Lucas Paquetá 87' | |
| 2023-09-21 20:00 | Grp.A | Olympiacos | | 2-3 |  | SC Freiburg | Ayoub Kaabi 40' 74'; Roland Sallai 9', Vincenzo Grifo 45' (pen.), Maximilian Philipp 86' | |
| 2023-08-24 20:00 | POff | Olympiacos | | 3-1 |  | Cukaricki | Ayoub Kaabi 3' 40', Kostas Fortounis 15'; Igor Miladinovic 90' | |
| 2023-08-16 20:00 | F | Manchester City |  | 1-1(5-4 pens) |  | Sevilla | Cole Palmer 63'; Youssef En-Nesyri 25' | |
| 2023-08-10 20:00 | 1QR | Olympiacos | | 1-0 |  | Genk | Kostas Fortounis 1' | |
24/04 - 11:00
24/04 - 18:00
24/04 - 18:00
