| Sep 6, 2025 | Mitsopoulos | 0–1 | Magkalakis | Round 9: Mitsopoulos, Ioannis - Magkalakis, Stefanos | Sicilian Defense: Moscow Variation | |
| Sep 5, 2025 | Zouroufidis | ½–½ | Mitsopoulos | Round 8: Zouroufidis, Konstantinos - Mitsopoulos, Ioannis | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Sep 4, 2025 | Mitsopoulos | 0–1 | Giannoulakis | Round 7: Mitsopoulos, Ioannis - Giannoulakis, Lampros | Sicilian Defense: Moscow Variation | |
| Sep 3, 2025 | Halkias | 0–1 | Mitsopoulos | Round 6: Halkias, Nikolaos - Mitsopoulos, Ioannis | Slav Defense: Chebanenko Variation, Advance System | |
| Sep 2, 2025 | Mitsopoulos | ½–½ | Kotsalis | Round 5: Mitsopoulos, Ioannis - Kotsalis, Evagelos | Italian Game: Classical Variation, Greco Gambit, Anderssen Variation | |
| Sep 1, 2025 | Dimakis | ½–½ | Mitsopoulos | Round 4: Dimakis, Stavros - Mitsopoulos, Ioannis | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 28, 2025 | Bergre | ½–½ | Mitsopoulos | Round 1: Bergre, Joachim - Mitsopoulos, Ioannis | Zukertort Opening | |
| Jul 8, 2025 | Mitsopoulos | 0–1 | Skodras | Round 4: Mitsopoulos, Ioannis - Skodras, Marios Konstantinos | Sicilian Defense: Kramnik Variation | |
| Jul 8, 2025 | Mantazis | ½–½ | Mitsopoulos | Round 3: Mantazis, Georgios Rafail - Mitsopoulos, Ioannis | Slav Defense | |
| Jul 6, 2025 | Mitsopoulos | 0–1 | Lafkidis | Round 1: Mitsopoulos, Ioannis - Lafkidis, Apostolos | Sicilian Defense: O'Kelly Variation, Maróczy Bind | |
| Mar 23, 2025 | Mitsopoulos | 0–1 | Magkalakis | Round 5: Mitsopoulos, Ioannis - Magkalakis, Stefanos | Scotch Game: Scotch Gambit, Advance Variation | |
| Mar 23, 2025 | Alexandri | 0–1 | Mitsopoulos | Round 3: Alexandri, Vasiliki - Mitsopoulos, Ioannis | Slav Defense: Chebanenko Variation | |
| Mar 23, 2025 | Karakotsios | 0–1 | Mitsopoulos | Round 4: Karakotsios, Konstantinos - Mitsopoulos, Ioannis | Slav Defense | |
| Mar 23, 2025 | Aggelos Glinos | 0–1 | Mitsopoulos | Round 7: Aggelos Glinos - Mitsopoulos, Ioannis | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 8, 2025 | Mitsopoulos | 0–1 | Lafkidis | Round 9: Mitsopoulos, Ioannis - Lafkidis, Apostolos | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Jan 7, 2025 | Kordas | 0–1 | Mitsopoulos | Round 8: Kordas, Alexandros - Mitsopoulos, Ioannis | Caro-Kann Defense: Classical Variation | |
| Jan 6, 2025 | Mitsopoulos | ½–½ | Tsavlakidis | Round 7: Mitsopoulos, Ioannis - Tsavlakidis, Leonidas | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jan 5, 2025 | Stanitsas | 1–0 | Mitsopoulos | Round 5: Stanitsas, Theofanis - Mitsopoulos, Ioannis | Caro-Kann Defense: Classical Variation | |
| Jan 5, 2025 | Sampsonoglou | 0–1 | Mitsopoulos | Round 6: Sampsonoglou, Dimitrios - Mitsopoulos, Ioannis | Caro-Kann Defense: Classical Variation | |
| Jan 4, 2025 | Mitsopoulos | 0–1 | Skodras | Round 4: Mitsopoulos, Ioannis - Skodras, Marios Konstantinos | Caro-Kann Defense: Apocalypse Attack | |
| Jan 3, 2025 | Mitsopoulos | ½–½ | Tsamtsouris | Round 3: Mitsopoulos, Ioannis - Tsamtsouris, Efthymios | Pirc Defense | |
| Jan 3, 2025 | Megasthenis | 0–1 | Mitsopoulos | Round 2: Megasthenis, Michail - Mitsopoulos, Ioannis | Caro-Kann Defense: Maróczy Variation | |
| Jan 2, 2025 | Mitsopoulos | 0–1 | Moysidis | Round 1: Mitsopoulos, Ioannis - Moysidis, Anastasios | Sicilian Defense: Moscow Variation, Main Line | |
| Sep 3, 2024 | Triantaphylidis | 1–0 | Mitsopoulos | Round 5: Triantaphylidis, Alexandros I - Mitsopoulos, Ioannis | Queen's Gambit Declined: Albin Countergambit, Modern Line | |
| Sep 1, 2024 | Tsintsar | 1–0 | Mitsopoulos | Round 3: Tsintsar, Zoran - Mitsopoulos, Ioannis | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 12, 2024 | Mitsopoulos | ½–½ | Zlotogorski | Round 8: Mitsopoulos, Ioannis - Zlotogorski, Itay | Scandinavian Defense: Main Line, Mieses Variation | |
| Aug 10, 2024 | Mitsopoulos | 0–1 | Chalkias | Round 6: Mitsopoulos, Ioannis - Chalkias, Michail Panagiotis | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Mitsopoulos | 1–0 | Eleftheriou | Round 6: Mitsopoulos, Ioannis - Eleftheriou, Vasileios | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| — | Mitsopoulos | ½–½ | Potiri | Round 8: Mitsopoulos, Ioannis - Potiri, Kyriaki | Scandinavian Defense: Classical Variation | |
| — | Theoharidis | 1–0 | Mitsopoulos | Round 5: Theoharidis, Georgios - Mitsopoulos, Ioannis | Caro-Kann Defense: Classical Variation, Main Line | |
| — | Batsi | 1–0 | Mitsopoulos | Round 7: Batsi, Lida - Mitsopoulos, Ioannis | Caro-Kann Defense: Classical Variation | |
| — | Toktas | ½–½ | Mitsopoulos | Round 9: Toktas, Cagan - Mitsopoulos, Ioannis | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| — | Samaridis | 1–0 | Mitsopoulos | Round 2: Samaridis, Konstantinos - Mitsopoulos, Ioannis | Slav Defense: Chebanenko Variation, Advance System | |
