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| 2024-2025 |  | Previous season |
Euroleague Games/Schedule (2025-2026)
| Olympiacos Games/Schedule | |||||||
| Regular Season | |||||||
| Oct. 8, 2025 | Round 1 | Olympiacos - Valencia | 74-97  | ||||
| Oct. 16, 2025 | Round 2 | Olympiacos - Miskolc | 69-57  | ||||
| Oct. 22, 2025 | Round 3 | Fenerbahce - Olympiacos | 94-73 | ||||
| Oct. 29, 2025 | Round 4 | Valencia - Olympiacos | 99-57 | ||||
| Nov. 5, 2025 | Round 5 | Miskolc - Olympiacos | 87-63 | ||||
| Nov. 26, 2025 | Round 6 | Olympiacos - Fenerbahce | 47-99 | ||||
Greece Games/Schedule (2025-2026)
| Olympiacos Games/Schedule | |||||||
| Regular Season | |||||||
| Oct. 5, 2025 | Round 1 | Proteas - Olympiacos | 56-81 | ||||
| Oct. 19, 2025 | Round 3 | Panathlitikos - Olympiacos | 67-90 | ||||
| Oct. 25, 2025 | Round 4 | Anorthosis V. - Olympiacos | 64-89 | ||||
| Nov. 1, 2025 | Round 5 | Olympiacos - Panathinaikos | 88-97 | ||||
| Nov. 8, 2025 | Round 6 | PAOK - Olympiacos | 73-90 | ||||
| Nov. 22, 2025 | Round 7 | Olympiacos - Neas Ionias | 97-80 | ||||
| Nov. 29, 2025 | Round 8 | Amyntas - Olympiacos | 66-84 | ||||
| Dec. 6, 2025 | Round 9 | Olympiacos - Panserraikos | 78-66 | ||||
| Dec. 14, 2025 | Round 10 | Athinaikos - Olympiacos | 79-70 | ||||
| Dec. 20, 2025 | Round 11 | Olympiacos - Giannena | 95-60 | ||||
| Jan. 3, 2026 | Round 12 | Olympiacos - Proteas | 96-87 | ||||
| Jan. 17, 2026 | Round 14 | Olympiacos - Panathlitikos | 76-67 | ||||
| Jan. 24, 2026 | Round 15 | Olympiacos - Anorthosis V. | 93-57 | ||||
| Jan. 28, 2026 | Round 16 | Panathinaikos - Olympiacos | 88-85 | ||||
| Feb. 7, 2026 | Round 18 | Neas Ionias - Olympiacos | 42-76 | ||||
| Feb. 14, 2026 | Round 19 | Olympiacos - Amyntas | 92-57 | ||||
| Feb. 11, 2026 | Round 19 | Olympiacos - PAOK | 78-73 | ||||
| Feb. 17, 2026 | Round 20 | Panserraikos - Olympiacos | 72-76 | ||||
| Feb. 22, 2026 | Round 21 | Olympiacos - Athinaikos | 75-85 | ||||
| Mar. 1, 2026 | Round 22 | Giannena - Olympiacos | 66-86 | ||||
| Semi-Finals | |||||||
| Mar. 7, 2026 | Round 1 | Panathinaikos - Olympiacos | 90-70 | ||||
| Mar. 21, 2026 | Round 2 | Olympiacos - Panathinaikos | 93-103 | ||||
EuroCup Games/Schedule (2025-2026)
| Olympiacos Games/Schedule | |||||||
| 1/16 Finals | |||||||
| Dec. 11, 2025 | Round 1 | E.Ramla - Olympiacos | 86-93 | ||||
| Dec. 18, 2025 | Round 2 | Olympiacos - E.Ramla | 75-80 | ||||
| 1/8 Finals | |||||||
| Jan. 14, 2026 | Round 1 | Estudiantes - Olympiacos | 85-86 | ||||
| Jan. 22, 2026 | Round 2 | Olympiacos - Estudiantes | 68-72 | ||||
