| Jul 10, 2026 | Aarit Kapil | 1–0 | Vafiadis | Round 8: Aarit Kapil - Vafiadis, Kleanthis | Indian Defense: Przepiorka Variation | |
| Jul 4, 2026 | Vafiadis | 0–1 | Bryakin | Round 3: Vafiadis, Kleanthis - Bryakin, Mikhail | Modern Defense: Averbakh System | |
| Jul 4, 2025 | Tzortzis | 0–1 | Vafiadis | Round 7: Tzortzis, Dimitrios - Vafiadis, Kleanthis | Benko Gambit Accepted: Pawn Return Variation | |
| Jul 3, 2025 | Vafiadis | ½–½ | Galopoulos | Round 2: Vafiadis, Kleanthis - Galopoulos, Nikolaos | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jul 3, 2025 | Vafiadis | 0–1 | Androutsopoulos-Agiotatos | Round 5: Vafiadis, Kleanthis - Androutsopoulos-Agiotatos, Vasil | Sicilian Defense: Old Sicilian | |
| Jul 7, 2024 | Vafiadis | ½–½ | Trimitzios | Greek League 2024 | Queen's Indian Accelerated | |
| Jul 5, 2024 | Katsanis | 1–0 | Vafiadis | Greek League 2024 | Nimzo-Indian Defense: Kmoch Variation | |
| Aug 2, 2024 | Yaniv | 1–0 | Vafiadis | Round 6: Yaniv, Yuval - Vafiadis, Kleanthis | ? | |
| Jul 30, 2024 | Prraneeth Vuppala | 1–0 | Vafiadis | Round 2: Prraneeth Vuppala - Vafiadis, Kleanthis | Sicilian Defense: Moscow Variation, Main Line | |
| Aug 17, 2022 | Vafiadis | 0–1 | Kapnisis | National Greek Team Championship | Zukertort Opening: Old Indian Attack | |
| Aug 16, 2022 | Giannoulakis | ½–½ | Vafiadis | National Greek Team Championship | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Aug 15, 2022 | Vafiadis | 1–0 | Stathopoulos | National Greek Team Championship | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Aug 2, 2022 | Vafiadis | ½–½ | Skaperdas | 31st Internation Chess Tournament | Horwitz Defense | |
| Aug 1, 2022 | Gagare | 1–0 | Vafiadis | 31st Internation Chess Tournament | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Jul 31, 2022 | Vafiadis | 1–0 | Ortega Lopez | 31st Internation Chess Tournament | Bogo-Indian Defense: Grünfeld Variation | |
| Jul 28, 2022 | Schroeder | 1–0 | Vafiadis | 31st Internation Chess Tournament | Sicilian Defense: Najdorf Variation | |
| Jul 27, 2022 | Vafiadis | ½–½ | Beerdsen | 31st Internation Chess Tournament | Blumenfeld Countergambit | |
| — | Vafiadis | ½–½ | Kalodoukas | National Greek Team Championship | Queen's Gambit Declined: Three Knights Variation | |