| Jul 26, 2025 | Antonioudakis | 0–1 | Ernst | Round 9: Antonioudakis, Georgios - Ernst, Robert | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jul 23, 2025 | Delchev | 1–0 | Antonioudakis | Round 6: Delchev, Aleksander - Antonioudakis, Georgios | Sicilian Defense: Moscow Variation | |
| Jul 22, 2025 | Antonioudakis | 1–0 | Stefanou | Round 5: Antonioudakis, Georgios - Stefanou, Konstantinos | Modern Defense: Standard Defense | |
| Jul 4, 2025 | Antonioudakis | ½–½ | Stamatiou | Round 7: Antonioudakis, Georgios - Stamatiou, Rodolfos | Sicilian Defense: Richter-Rauzer Variation | |
| Jul 3, 2025 | Alexakis | 1–0 | Antonioudakis | Round 6: Alexakis, Georgios - Antonioudakis, Georgios | Zukertort Opening | |
| Jul 3, 2025 | Karamichos | 1–0 | Antonioudakis | Round 3: Karamichos, Michail - Antonioudakis, Georgios | Zukertort Opening | |
| Jul 3, 2025 | Antonioudakis | 0–1 | Kalogridis | Round 2: Antonioudakis, Georgios - Kalogridis, Themistoklis | Pirc Defense: Classical Variation, Schlechter Variation | |
| Jul 3, 2025 | Antonioudakis | 0–1 | Gerasopoulos | Round 5: Antonioudakis, Georgios - Gerasopoulos, Nikolaos | French Defense: Rubinstein Variation, Blackburne Defense | |
| Mar 1, 2025 | Antonioudakis | 0–1 | Patrelakis | Round 4: Antonioudakis, Georgios - Patrelakis, Evaggelos | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Mar 1, 2025 | Sampsonoglou | 0–1 | Antonioudakis | Round 3: Sampsonoglou, Vasilios - Antonioudakis, Georgios | Rapport-Jobava System | |
| Jan 8, 2025 | Antonioudakis | 1–0 | Karakotsios | Round 9: Antonioudakis, Georgios - Karakotsios, Konstantinos | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Jan 7, 2025 | Mantazis | 1–0 | Antonioudakis | Round 8: Mantazis, Georgios Rafail - Antonioudakis, Georgios | Trompowsky Attack | |
| Jan 6, 2025 | Antonioudakis | 0–1 | Margaritis | Round 7: Antonioudakis, Georgios - Margaritis, Ioannis M | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 5, 2025 | Antonioudakis | 1–0 | Karamichos | Round 5: Antonioudakis, Georgios - Karamichos, Michail | Sicilian Defense: Chekhover Variation | |
| Jan 5, 2025 | Papaioannou | 1–0 | Antonioudakis | Round 6: Papaioannou, Dimitrios - Antonioudakis, Georgios | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jan 4, 2025 | Tagkaloglou | ½–½ | Antonioudakis | Round 4: Tagkaloglou, Savvas Stefanos - Antonioudakis, Georgios | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jan 3, 2025 | Antonioudakis | 1–0 | Balafoutas | Round 3: Antonioudakis, Georgios - Balafoutas, Alexandros | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jan 3, 2025 | Tsitimakis | 0–1 | Antonioudakis | Round 2: Tsitimakis, Periklis - Antonioudakis, Georgios | Sicilian Defense: Closed, Chameleon Variation | |
| Jan 2, 2025 | Antonioudakis | 1–0 | Gkogkolas | Round 1: Antonioudakis, Georgios - Gkogkolas, Georgios | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jul 8, 2024 | Antonioudakis | ½–½ | Nikolaou | Greek League 2024 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 6, 2024 | Sioutis | ½–½ | Antonioudakis | Greek League 2024 | Catalan Opening: Closed | |
| Jul 4, 2024 | Antonioudakis | ½–½ | Tsarsitalidis | Greek League 2024 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| Jun 28, 2024 | Tzortzatos | 1–0 | Antonioudakis | Round 9: Tzortzatos, Dimosthenis Panagiot - Antonioudakis, Georgios | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Jun 27, 2024 | Giannoulis | 0–1 | Antonioudakis | Round 8: Giannoulis, Grigorios - Antonioudakis, Georgios | Sicilian Defense: Closed | |
| Jun 25, 2024 | Moysidis | 0–1 | Antonioudakis | Round 6: Moysidis, Anastasios - Antonioudakis, Georgios | Catalan Opening: Closed | |
| Jun 25, 2024 | Antonioudakis | ½–½ | Papaioannou | Round 5: Antonioudakis, Georgios - Papaioannou, Dimitrios | Four Knights Game: Spanish Variation | |
| Jun 23, 2024 | Temetzian | 0–1 | Antonioudakis | Round 3: Temetzian, Immanouel - Antonioudakis, Georgios | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 23, 2024 | Antonioudakis | 1–0 | Tarchanidis | Round 2: Antonioudakis, Georgios - Tarchanidis, Nikolaos Christos | French Defense: Classical Variation, Steinitz Variation | |
| Jun 22, 2024 | Saklampanakis | 0–1 | Antonioudakis | Round 1: Saklampanakis, Dimitrios - Antonioudakis, Georgios | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jun 21, 2024 | Antonioudakis | 0–1 | Kassios | Round 7: Antonioudakis, Georgios - Kassios, Dimitrios | Italian Game: Giuoco Pianissimo, Normal | |
| Jun 21, 2024 | Antonioudakis | ½–½ | Boulamatsis | Round 4: Antonioudakis, Georgios - Boulamatsis, Konstantinos I | French Defense: Paulsen Variation | |
| Dec 1, 2024 | Exarchos | ½–½ | Antonioudakis | Round 6: Exarchos, Antonios - Antonioudakis, Georgios | Sicilian Defense: Moscow Variation | |
| Nov 30, 2024 | Skodras | ½–½ | Antonioudakis | Round 4: Skodras, Marios Konstantinos - Antonioudakis, Georgios | Zukertort Opening: Nimzo-Larsen Variation | |
| Nov 29, 2024 | Antonioudakis | ½–½ | Kassios | Round 2: Antonioudakis, Georgios - Kassios, Dimitrios | Four Knights Game: Spanish Variation, Double Spanish | |
| Nov 29, 2024 | Antonioudakis | 1–0 | Megagiannis | Round 3: Antonioudakis, Georgios - Megagiannis, Maximos | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 28, 2024 | Santrazamis | 0–1 | Antonioudakis | Round 1: Santrazamis, Symeon - Antonioudakis, Georgios | Sicilian Defense: Closed | |
| Aug 9, 2024 | Tsarsitalidis | 1–0 | Antonioudakis | Round 5: Tsarsitalidis, Konstantinos - Antonioudakis, Georgios | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Aug 7, 2024 | Antonioudakis | 0–1 | Padmini | Round 2: Antonioudakis, Georgios - Padmini, Rout | Sicilian Defense: Richter-Rauzer Variation | |
| Jul 24, 2022 | Antonioudakis | 0–1 | Seretakis | 15th Paleochora Open | ? | |
| Jul 23, 2022 | Loukopoulos | * | Antonioudakis | 15th Paleochora Open | ? | |
| Jul 22, 2022 | Antonioudakis | * | Luchi | 15th Paleochora Open | ? | |
| Jul 20, 2022 | Antonioudakis | * | Papadopoulos | 15th Paleochora Open | ? | |
| Jul 19, 2022 | Kalogridakis | 1–0 | Antonioudakis | 15th Paleochora Open | ? | |
| Jul 18, 2022 | Milonakis | 1–0 | Antonioudakis | 15th Paleochora Open | ? | |
| Jul 17, 2022 | Antonioudakis | ½–½ | Spyratos | 15th Paleochora Open | ? | |
| Jul 29, 2021 | Roubert | * | Antonioudakis | 14th Paleochora International Tournament | ? | |
| Jul 27, 2021 | Papidakis | * | Antonioudakis | 13th International Tournament of Paleochora | ? | |
| Jul 26, 2021 | Antonioudakis | * | Dixa | 14th Paleochora International Tournament | ? | |
| Jul 26, 2021 | Antonioudakis | * | Dixa | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Antonioudakis | * | Broly | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Vizirakis | 0–1 | Antonioudakis | 14th Paleochora International Chess Tournament 2021 | ? | |
