EuroLeague 2023–24 Regular Season
| Date | Round | Game | Result | Score |
|---|---|---|---|---|
| 6 Oct 2023 | 1 | Panathinaikos AKTOR Athens – Olympiacos Piraeus | W | 78–88, OT |
| 13 Oct 2023 | 2 | Olympiacos Piraeus – FC Barcelona | L | 68–77 |
| 17 Oct 2023 | 3 | EA7 Emporio Armani Milan – Olympiacos Piraeus | L | 65–53 |
| 19 Oct 2023 | 4 | Olympiacos Piraeus – Partizan Mozzart Bet Belgrade | W | 98–94, OT |
| 26 Oct 2023 | 5 | Olympiacos Piraeus – Anadolu Efes Istanbul | W | 75–57 |
| 2 Nov 2023 | 6 | Fenerbahce Beko Istanbul – Olympiacos Piraeus | L | 79–77 |
| 9 Nov 2023 | 7 | Olympiacos Piraeus – Baskonia Vitoria-Gasteiz | L | 74–75 |
| 14 Nov 2023 | 8 | Maccabi Playtika Tel Aviv – Olympiacos Piraeus | W | 74–79 |
| 16 Nov 2023 | 9 | Olympiacos Piraeus – Crvena Zvezda Meridianbet Belgrade | W | 88–83 |
| 24 Nov 2023 | 10 | Olympiacos Piraeus – Zalgiris Kaunas | W | 89–72 |
| 30 Nov 2023 | 11 | AS Monaco – Olympiacos Piraeus | L | 85–77 |
| 5 Dec 2023 | 12 | Olympiacos Piraeus – Real Madrid | L | 71–77 |
| 8 Dec 2023 | 13 | Olympiacos Piraeus – FC Bayern Munich | W | 77–69 |
| 15 Dec 2023 | 14 | Olympiacos Piraeus – Valencia Basket | L | 56–63 |
| 19 Dec 2023 | 15 | Virtus Segafredo Bologna – Olympiacos Piraeus | L | 69–67 |
| 22 Dec 2023 | 16 | LDLC ASVEL Villeurbanne – Olympiacos Piraeus | W | 73–85 |
| 29 Dec 2023 | 17 | ALBA Berlin – Olympiacos Piraeus | W | 67–94 |
| 2 Jan 2024 | 18 | Olympiacos Piraeus – EA7 Emporio Armani Milan | W | 79–74 |
| 4 Jan 2024 | 19 | Olympiacos Piraeus – AS Monaco | W | 75–73 |
| 10 Jan 2024 | 20 | FC Barcelona – Olympiacos Piraeus | L | 86–78 |
| 12 Jan 2024 | 21 | Baskonia Vitoria-Gasteiz – Olympiacos Piraeus | L | 80–69 |
| 18 Jan 2024 | 22 | Olympiacos Piraeus – Maccabi Playtika Tel Aviv | W | 89–72 |
| 25 Jan 2024 | 23 | Real Madrid – Olympiacos Piraeus | L | 90–85 |
| 30 Jan 2024 | 24 | Olympiacos Piraeus – ALBA Berlin | W | 101–87 |
| 1 Feb 2024 | 25 | FC Bayern Munich – Olympiacos Piraeus | W | 72–76 |
| 8 Feb 2024 | 26 | Valencia Basket – Olympiacos Piraeus | W | 65–78 |
| 1 Mar 2024 | 27 | Zalgiris Kaunas – Olympiacos Piraeus | W | 76–95 |
| 7 Mar 2024 | 28 | Olympiacos Piraeus – Virtus Segafredo Bologna | W | 74–69 |
| 14 Mar 2024 | 29 | Olympiacos Piraeus – Panathinaikos AKTOR Athens | W | 71–65 |
| 19 Mar 2024 | 30 | Anadolu Efes Istanbul – Olympiacos Piraeus | L | 85–72 |
| 21 Mar 2024 | 31 | Olympiacos Piraeus – LDLC ASVEL Villeurbanne | W | 80–64 |
| 28 Mar 2024 | 32 | Partizan Mozzart Bet Belgrade – Olympiacos Piraeus | W | 69–74 |
| 4 Apr 2024 | 33 | Crvena Zvezda Meridianbet Belgrade – Olympiacos Piraeus | W | 86–89 |
| 12 Apr 2024 | 34 | Olympiacos Piraeus – Fenerbahce Beko Istanbul | W | 84–81, OT |
W/L is shown from Olympiacos’ perspective. Olympiacos completed the Regular Season with a 22–12 record, finished fifth and qualified directly for the playoffs.
EuroLeague Playoffs 2023–24
| Date | Match | Game | Result | Score |
|---|---|---|---|---|
| 24 Apr 2024 | Game 1 | FC Barcelona – Olympiacos Piraeus | W | 75–77 |
| 26 Apr 2024 | Game 2 | FC Barcelona – Olympiacos Piraeus | L | 77–69 |
| 30 Apr 2024 | Game 3 | Olympiacos Piraeus – FC Barcelona | L | 80–82, OT |
| 2 May 2024 | Game 4 | Olympiacos Piraeus – FC Barcelona | W | 92–58 |
| 8 May 2024 | Game 5 | FC Barcelona – Olympiacos Piraeus | W | 59–63 |
Olympiacos defeated FC Barcelona 3–2 in the best-of-five playoff series, winning the decisive Game 5 in Barcelona, and qualified for the 2024 EuroLeague Final Four in Berlin.
EuroLeague Final Four 2023–24
| Date | Stage | Game | Result | Score |
|---|---|---|---|---|
| 24 May 2024 | Semifinal | Real Madrid – Olympiacos Piraeus | L | 87–76 |
| 26 May 2024 | Third-Place Game | Olympiacos Piraeus – Fenerbahce Beko Istanbul | W | 87–84 |
Olympiacos lost the semifinal against Real Madrid but defeated Fenerbahce Beko Istanbul in the third-place game, finishing third. The overall EuroLeague record for the season was 26–15.