| Feb 23, 2026 | Valsecchi | 1–0 | Tzagarakis | Round 7: Valsecchi, Alessio - Tzagarakis, Panagiotis | Sicilian Defense: Taimanov Variation | |
| Feb 22, 2026 | Tzagarakis | 1–0 | Tzortzatos | Round 6: Tzagarakis, Panagiotis - Tzortzatos, Dimosthenis Panagiot | Sicilian Defense: Najdorf Variation | |
| Feb 22, 2026 | Peray | 0–1 | Tzagarakis | Round 5: Peray, Ata - Tzagarakis, Panagiotis | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Feb 21, 2026 | Tzagarakis | ½–½ | Kollias | Round 4: Tzagarakis, Panagiotis - Kollias, Ioannis K. | Ruy Lopez: Schliemann Defense | |
| Feb 20, 2026 | Tzagarakis | ½–½ | Nasta | Round 2: Tzagarakis, Panagiotis - Nasta, Kiren Vivek | French Defense: Classical Variation, Burn Variation | |
| Jul 23, 2025 | Vassis | ½–½ | Tzagarakis | Round 6: Vassis, Michail - Tzagarakis, Panagiotis | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jul 4, 2025 | Sandalakis | 0–1 | Tzagarakis | Round 7: Sandalakis, Nikolaos - Tzagarakis, Panagiotis | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 3, 2025 | Nikolaidis | 1–0 | Tzagarakis | Round 6: Nikolaidis, Ioannis - Tzagarakis, Panagiotis | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jul 3, 2025 | Kouskoutis | ½–½ | Tzagarakis | Round 3: Kouskoutis, Georgios-Alexandros - Tzagarakis, Panagiotis | English Opening: Agincourt Defense | |
| Jul 3, 2025 | Gouloutis | 0–1 | Tzagarakis | Round 2: Gouloutis, Nikolaos - Tzagarakis, Panagiotis | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jul 3, 2025 | Tzagarakis | 1–0 | Papaioannou | Round 5: Tzagarakis, Panagiotis - Papaioannou, Dimitrios | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Mar 3, 2025 | Tzagarakis | 0–1 | Zakic | Round 7: Tzagarakis, Panagiotis - Zakic, Srdjan | Sicilian Defense: Kalashnikov Variation | |
| Mar 2, 2025 | Tzagarakis | 1–0 | Anagnostopoulos | Round 5: Tzagarakis, Panagiotis - Anagnostopoulos, Panagiotis | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Mar 2, 2025 | Papasimakopoulos | 1–0 | Tzagarakis | Round 6: Papasimakopoulos, Alexandros - Tzagarakis, Panagiotis | Zukertort Opening: Nimzo-Larsen Variation | |
| Feb 27, 2025 | Tzagarakis | 0–1 | Tsaknakis | Round 1: Tzagarakis, Panagiotis - Tsaknakis, Zisis | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jul 8, 2024 | Papadopoulos | 1–0 | Tzagarakis | Greek League 2024 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jul 6, 2024 | Tzagarakis | 1–0 | Anagnostopoulos | Greek League 2024 | Modern Defense: Two Knights Variation, Suttles Variation | |
| Jul 4, 2024 | Koutlas | 1–0 | Tzagarakis | Greek League 2024 | Sicilian Defense: Closed, Traditional | |
| Mar 31, 2024 | Tzagarakis | 0–1 | Koudounis | Round 2: Tzagarakis, Panagiotis - Koudounis, Vasileios | French Defense: Exchange Variation, Svenonius Variation | |
| Mar 30, 2024 | Tzagarakis | ½–½ | Ioannidis | Round 1: Tzagarakis, Panagiotis - Ioannidis, Evgenios | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Jul 24, 2022 | Tragoudaras | 0–1 | Tzagarakis | 15th Paleochora Open | ? | |
| Jul 23, 2022 | Tzagarakis | * | Aubry | 15th Paleochora Open | ? | |
| Jul 22, 2022 | Giannoulakis | * | Tzagarakis | 15th Paleochora Open | ? | |
| Jul 20, 2022 | Tzagarakis | * | Oikonomopoulos | 15th Paleochora Open | ? | |
| Jul 29, 2021 | Bleeker | * | Tzagarakis | 14th Paleochora International Tournament | ? | |
| Jul 27, 2021 | Thogersen | * | Tzagarakis | 13th International Tournament of Paleochora | ? | |
| Jul 26, 2021 | Tzagarakis | * | Mullon | 14th Paleochora International Tournament | ? | |
| Jul 26, 2021 | Tzagarakis | * | Mullon | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Tzagarakis | * | Sloan | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Alexiadis | 1–0 | Tzagarakis | 14th Paleochora International Chess Tournament 2021 | ? | |
