| Jul 18, 2026 | Chairopoulos | 0–1 | Kalomiris | 49th Ikaros International Chess Tournament 2026 | Sicilian Defense: Najdorf Variation | |
| Jul 17, 2026 | Kalomiris | 0–1 | Tsaknakis | 49th Ikaros International Chess Tournament 2026 | French Defense: Winawer Variation, Poisoned Pawn Variation, Main Line | |
| Jul 16, 2026 | Polyzos | 0–1 | Kalomiris | 49th Ikaros International Chess Tournament 2026 | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jul 15, 2026 | Kalomiris | ½–½ | Lazaridis | 49th Ikaros International Chess Tournament 2026 | Sicilian Defense: Richter-Rauzer Variation, Classical Variation | |
| Jul 14, 2026 | Ornithopoulos | 0–1 | Kalomiris | 49th Ikaros International Chess Tournament 2026 | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Aug 5, 2024 | Alpaslan | 1–0 | Kalomiris | Round 9: Alpaslan, Utku - Kalomiris, Athanasios | Sicilian Defense: Moscow Variation, Main Line | |
| Aug 4, 2024 | Kalomiris | 0–1 | Tagkaloglou | Round 8: Kalomiris, Athanasios - Tagkaloglou, Savvas Stefanos | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Aug 3, 2024 | Ouzounis | 0–1 | Kalomiris | Round 7: Ouzounis, Konstantinos Kyr - Kalomiris, Athanasios | Queen's Pawn Game: Zukertort Variation | |
| Aug 2, 2024 | Kalomiris | 1–0 | Bartakke Aditya | Round 6: Kalomiris, Athanasios - Bartakke Aditya | Sicilian Defense: Closed, Traditional | |
| Aug 1, 2024 | Merkouropoulos | 0–1 | Kalomiris | Round 5: Merkouropoulos, Dionysios - Kalomiris, Athanasios | Queen's Gambit Declined: Semi-Slav, Abrahams Variation | |
| Jul 31, 2024 | Kalomiris | 1–0 | Atanasov | Round 4: Kalomiris, Athanasios - Atanasov, Aleksandar | Sicilian Defense: Closed | |
| Jul 30, 2024 | Kalomiris | 1–0 | Giannopoulos | Round 2: Kalomiris, Athanasios - Giannopoulos, Vasileios | Sicilian Defense: Closed | |
| Jul 30, 2024 | Balafoutis | 0–1 | Kalomiris | Round 3: Balafoutis, Ilias - Kalomiris, Athanasios | Queen's Gambit Declined | |
| Jul 24, 2022 | Giannoulis | 0–1 | Kalomiris | 15th Paleochora Open | ? | |
| Jul 23, 2022 | Kalomiris | * | Solakoglu | 15th Paleochora Open | ? | |
| Jul 22, 2022 | Thelen | * | Kalomiris | 15th Paleochora Open | ? | |
| Jul 20, 2022 | Zografos | * | Kalomiris | 15th Paleochora Open | ? | |
| Jul 19, 2022 | Kalomiris | 0–1 | Balaskas | 15th Paleochora Open | ? | |
| Jul 18, 2022 | Kalomiris | ½–½ | Petrakis | 15th Paleochora Open | ? | |
| Jul 17, 2022 | Markidis | 1–0 | Kalomiris | 15th Paleochora Open | ? | |
| — | Kalomiris | 0–1 | Triantafilidis | Round 1: Kalomiris, Athanasios - Triantafilidis, Mihail | Sicilian Defense: Closed, Traditional | |
| — | Kalomiris | ½–½ | Aker | Round 7: Kalomiris, Athanasios - Aker, Meric Zeynel | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| — | Kalomiris | 0–1 | Mantazis | Round 9: Kalomiris, Athanasios - Mantazis, Georgios Rafail | Ruy Lopez: Open, Dilworth Variation | |
| — | Sirigos | 1–0 | Kalomiris | Round 2: Sirigos, Nikolaos - Kalomiris, Athanasios | English Opening: Symmetrical Variation, Botvinnik System | |
| — | Sichinava | 0–1 | Kalomiris | Round 6: Sichinava, Mariam - Kalomiris, Athanasios | Queen's Gambit Declined | |
| — | Vardakas | ½–½ | Kalomiris | Round 8: Vardakas, Grigorios - Kalomiris, Athanasios | Sicilian Defense: Chekhover Variation | |