| Jul 10, 2026 | Stefanidi | 1–0 | Nikolaou | Round 6: Stefanidi, Maria-Anna - Nikolaou, Spiridon | Sicilian Defense: Modern Variations, Main Line | |
| Jul 8, 2026 | Nikolaou | 1–0 | Kyparissopoulos | Round 5: Nikolaou, Spiridon - Kyparissopoulos, Spyridon | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Jul 7, 2026 | Kouvidis | 1–0 | Nikolaou | Round 4: Kouvidis, Ioannis - Nikolaou, Spiridon | Italian Game: Giuoco Pianissimo | |
| Jul 6, 2026 | Nikolaou | ½–½ | Kazakos | Round 3: Nikolaou, Spiridon - Kazakos, Markos | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Jul 6, 2026 | Nikolaou | 0–1 | Giatrakos | Round 2: Nikolaou, Spiridon - Giatrakos, Orestis | Scandinavian Defense: Mieses-Kotroc Variation | |
| Jul 3, 2025 | Loukopoulos | 1–0 | Nikolaou | Round 6: Loukopoulos, Panagiotis-Athanasi - Nikolaou, Spiridon | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 3, 2025 | Nikolaou | 0–1 | Papadopoulos | Round 4: Nikolaou, Spiridon - Papadopoulos, Panayotis | Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense | |
| Jul 10, 2024 | Nikolaou | 0–1 | Michelakos | Greek League 2024 | Queen's Gambit Declined: Exchange Variation, Sämisch Variation | |
| Jul 9, 2024 | Seretakis | 0–1 | Nikolaou | Greek League 2024 | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Jul 8, 2024 | Antonioudakis | ½–½ | Nikolaou | Greek League 2024 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 7, 2024 | Nikolaou | ½–½ | Kesidis | Greek League 2024 | Nimzo-Indian Defense: Normal Variation | |
| Jul 6, 2024 | Nikolaou | ½–½ | Rigopoulos-Tsigkos | Greek League 2024 | Catalan Opening: Closed, Main Line | |
| Jul 5, 2024 | Poupalos | ½–½ | Nikolaou | Greek League 2024 | Ruy Lopez: Schliemann Defense | |
| Sep 12, 2021 | Nikolaou | ½–½ | Kordis | Greek Team Championship | Sicilian Defense: Najdorf Variation | |
| Sep 11, 2021 | Nikolaou | 1–0 | Zervos | Greek Team Championship | Grünfeld Defense: Exchange Variation | |
| Sep 10, 2021 | Poulos | 0–1 | Nikolaou | Greek Team Championship | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Sep 9, 2021 | Zenelis | 0–1 | Nikolaou | Greek Team Championship | Sicilian Defense: Closed, Korchnoi Defense | |
| Sep 8, 2021 | Nikolaou | ½–½ | Pandavos | Greek Team Championship | Dutch Defense: Staunton Gambit | |
| Sep 8, 2021 | Tsifetakis | 0–1 | Nikolaou | Greek Team Championship | King's Indian Defense: Fianchetto Variation, Simagin Variation | |
| Sep 7, 2021 | Nikolaou | ½–½ | Bardis | Greek Team Championship | Bogo-Indian Defense: Grünfeld Variation | |
| — | Nikolaou | 0–1 | Banikas | National Greek Team Championship | King's Indian Defense: Normal Variation, Rare Defenses | |