| Jul 20, 2025 | Nikolaou | 0–1 | Pham | Round 2: Nikolaou, Georgios - Pham, Khoi | Queen's Pawn Game: Symmetrical Variation | |
| Jul 3, 2025 | Nikolaou | 0–1 | Kalogridis | Round 1: Nikolaou, Georgios - Kalogridis, Antonios | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Sep 17, 2023 | Nikolaou | 1–0 | Masa | 13th Papanastasio Open 2023 | Catalan Opening | |
| Sep 16, 2023 | Gkekas | ½–½ | Nikolaou | 13th Papanastasio Open 2023 | Sicilian Defense: Keres Variation | |
| Sep 15, 2023 | Nikolaou | * | Sideris | 13th Papanastasio Open 2023 | Queen's Indian Defense: Fianchetto Variation, Rubinstein Variation | |
| Sep 14, 2023 | Alexakis | ½–½ | Nikolaou | 13th Papanastasio Open 2023 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Sep 13, 2023 | Nikolaou | 1–0 | Ter-Gevorkian | 13th Papanastasio Open 2023 | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| — | Nikolaou | 1–0 | Papageorgiou | Round 1: Nikolaou, Georgios - Papageorgiou, Ioannis | Catalan Opening: Closed, Main Line | |
| — | Nikolaou | ½–½ | Exarchos | Round 3: Nikolaou, Georgios - Exarchos, Antonios | Slav Defense: Quiet Variation | |
| — | Nikolaou | ½–½ | Avanesyan | Round 5: Nikolaou, Georgios - Avanesyan, Aleksandr | Slav Defense: Quiet Variation, Schallopp Defense | |
| — | Nikolaou | 1–0 | Trapalis | Round 7: Nikolaou, Georgios - Trapalis, Theodoros | Indian Defense: Anti-Nimzo-Indian | |
| — | Nikolaou | 1–0 | Tsarsitalidis | Round 9: Nikolaou, Georgios - Tsarsitalidis, Christos | Queen's Indian Defense: Classical Variation, Traditional Variation | |
| — | Dogias | 1–0 | Nikolaou | Round 2: Dogias, Christos - Nikolaou, Georgios | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| — | Sichinava | 0–1 | Nikolaou | Round 4: Sichinava, Mariam - Nikolaou, Georgios | Bogo-Indian Defense: Nimzowitsch Variation | |
| — | Poon | 1–0 | Nikolaou | Round 6: Poon, Pak Yu - Nikolaou, Georgios | English Opening: Symmetrical Variation | |
| — | Ntounias | 0–1 | Nikolaou | Round 8: Ntounias, Ioannis - Nikolaou, Georgios | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
