| Apr 20, 2026 | Estiadis | 0–1 | Giakamozis | Round 8: Estiadis, Georgios - Giakamozis, Apostolos | French Defense: Exchange Variation | |
| Apr 20, 2026 | Giakamozis | 0–1 | Asvestopoulos | Round 9: Giakamozis, Apostolos - Asvestopoulos, Sergios | Bogo-Indian Defense: Grünfeld Variation | |
| Apr 19, 2026 | Makrylakis | 1–0 | Giakamozis | Round 7: Makrylakis, Iason - Giakamozis, Apostolos | French Defense: Rubinstein Variation, Capablanca Line | |
| Apr 18, 2026 | Giakamozis | 0–1 | Papakyriakou | Round 6: Giakamozis, Apostolos - Papakyriakou, Charalampos | Indian Defense: Knights Variation | |
| Apr 17, 2026 | Giakamozis | 0–1 | Gkogkolas | Round 4: Giakamozis, Apostolos - Gkogkolas, Georgios | King's Indian Defense: Fianchetto Variation | |
| Apr 17, 2026 | Tsomidis | 0–1 | Giakamozis | Round 5: Tsomidis, Stefanos - Giakamozis, Apostolos | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Apr 15, 2026 | Giakamozis | ½–½ | Deliezos | Round 2: Giakamozis, Apostolos - Deliezos, Anastasios | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Apr 15, 2026 | Matthaiou | 0–1 | Giakamozis | Round 3: Matthaiou, Theodoros - Giakamozis, Apostolos | French Defense: Exchange Variation | |
| Apr 15, 2026 | Loukakis | ½–½ | Giakamozis | Round 1: Loukakis, Nikolaos - Giakamozis, Apostolos | Nimzo-Larsen Attack: Modern Variation | |
| Apr 27, 2025 | Galerakis | * | Giakamozis | Round 7: Galerakis, Panagiotis Spyridon - Giakamozis, Apostolos | Sicilian Defense: O'Kelly Variation, Kieseritzky System | |
| Apr 26, 2025 | Giakamozis | * | Mentzos | Round 6: Giakamozis, Apostolos - Mentzos, Apostolos | ? | |
| Apr 24, 2025 | Giakamozis | 0–1 | Michail | Round 4: Giakamozis, Apostolos - Michail, Konstantinos | Indian Defense: Budapest Defense | |
| Apr 23, 2025 | Sotirakopoulos | 1–0 | Giakamozis | Round 2: Sotirakopoulos, Panagiotis - Giakamozis, Apostolos | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jun 28, 2024 | Giakamozis | 0–1 | Loukakis | Round 9: Giakamozis, Apostolos - Loukakis, Nikolaos | Queen's Gambit Declined: Normal Defense | |
| Jun 27, 2024 | Maragkos | * | Giakamozis | Round 8: Maragkos, Alexandros - Giakamozis, Apostolos | ? | |
| Jun 26, 2024 | Giakamozis | 0–1 | Armaos | Round 7: Giakamozis, Apostolos - Armaos, Michail | Caro-Kann Defense: Tartakower Variation | |
| Jun 25, 2024 | Kouroupakis | * | Giakamozis | Round 6: Kouroupakis, Odysseas - Giakamozis, Apostolos | ? | |
| Jun 25, 2024 | Giakamozis | 0–1 | Nikolakopoulos | Round 5: Giakamozis, Apostolos - Nikolakopoulos, Leonidas Marios | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jun 24, 2024 | Skodras | ½–½ | Giakamozis | Round 4: Skodras, Marios Konstantinos - Giakamozis, Apostolos | Zukertort Opening: Queen's Gambit Invitation | |
| Jun 23, 2024 | Giakamozis | ½–½ | Palaiologou | Round 3: Giakamozis, Apostolos - Palaiologou, Apostolos | Queen's Pawn Game: Krause Variation | |
| Jun 23, 2024 | Nikolakopoulos | * | Giakamozis | Round 2: Nikolakopoulos, Vasileios - Giakamozis, Apostolos | ? | |
| Jun 22, 2024 | Giakamozis | 0–1 | Kiryttopoulos | Round 1: Giakamozis, Apostolos - Kiryttopoulos, Panagiotis Aris | Queen's Pawn Game: London System, with e6 | |
| May 12, 2024 | Misthos | 1–0 | Giakamozis | Round 7: Misthos, Alexandros - Giakamozis, Apostolos | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
