| Jul 10, 2026 | Giatrakos | 0–1 | Valsamis | Round 1: Giatrakos, Orestis - Valsamis, Alexandros | Rapport-Jobava System | |
| Jul 6, 2026 | Nikolaou | 0–1 | Giatrakos | Round 2: Nikolaou, Spiridon - Giatrakos, Orestis | Scandinavian Defense: Mieses-Kotroc Variation | |
| Jan 6, 2025 | Giatrakos | 1–0 | Karanasou | Round 7: Giatrakos, Orestis - Karanasou, Ourania Fanouria | Rapport-Jobava System | |
| Jan 5, 2025 | Limnaios | 0–1 | Giatrakos | Round 6: Limnaios, Emmanouil - Giatrakos, Orestis | Dutch Defense: Rubinstein Variation | |
| Jan 4, 2025 | Giatrakos | 0–1 | Nemtsas | Round 5: Giatrakos, Orestis - Nemtsas, Hristoforos | English Opening | |
| Jan 3, 2025 | Kaforos | 1–0 | Giatrakos | Round 4: Kaforos, Dimitrios-Alkis - Giatrakos, Orestis | Sicilian Defense: Lasker-Pelikan Variation | |
| Sep 9, 2024 | Tzortzatos | 1–0 | Giatrakos | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | Czech Defense | |
| Sep 8, 2024 | Giatrakos | ½–½ | Koulouris | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Sep 7, 2024 | Vlastos | 0–1 | Giatrakos | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | King's Gambit Declined: Falkbeer Countergambit, Modern Transfer | |
| Sep 6, 2024 | Giatrakos | 1–0 | Kastis | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | English Opening: Anglo-Indian Defense | |
| Sep 3, 2024 | Ntounias | 1–0 | Giatrakos | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Jul 9, 2024 | Giatrakos | 0–1 | Kesidis | Greek League 2024 | Rapport-Jobava System | |
| Jun 21, 2024 | Nemtsas | ½–½ | Giatrakos | Round 7: Nemtsas, Hristoforos - Giatrakos, Orestis | King's Indian Defense: Normal Variation, Rare Defenses | |
| Jun 20, 2024 | Giatrakos | 1–0 | Masa | 26th chess tournament of Iraklio Attica | Queen's Indian Defense: Classical Variation, Traditional Variation | |
| Jun 18, 2024 | Giatrakos | 0–1 | Kazantzoglou | Round 4: Giatrakos, Orestis - Kazantzoglou, Stefanos | English Opening: Agincourt Defense | |
| Jun 17, 2024 | Finokaliotis | ½–½ | Giatrakos | Round 3: Finokaliotis, Georgios - Giatrakos, Orestis | King's Indian Defense: Semi-Averbakh System | |
| Dec 30, 2024 | Giatrakos | 1–0 | Emmanouilidis | Round 3: Giatrakos, Orestis - Emmanouilidis, Paschalis | Sicilian Defense: Chekhover Variation | |
| Dec 29, 2024 | Vuka | 0–1 | Giatrakos | Round 2: Vuka, Alboreno - Giatrakos, Orestis | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Dec 28, 2024 | Giatrakos | 1–0 | Zouroufidis | Round 1: Giatrakos, Orestis - Zouroufidis, Ifikratis | Rapport-Jobava System, with e6 | |
| Aug 7, 2024 | Melikhov | 1–0 | Giatrakos | Round 3: Melikhov, Evgeny V. - Giatrakos, Orestis | King's Indian Defense: Sämisch Variation, Panno Formation | |
| Aug 6, 2024 | Melia | ½–½ | Giatrakos | Round 1: Melia, Salome - Giatrakos, Orestis | Czech Defense | |