| Nov 23, 2025 | Koitsidis | 1–0 | Drevytskyi | Round 9: Koitsidis, Petros Chronis - Drevytskyi, Oleksandr | French Defense: Exchange Variation | |
| Nov 23, 2025 | Rixe | 0–1 | Koitsidis | Round 8: Rixe, Finn Ole - Koitsidis, Petros Chronis | Caro-Kann Defense: Exchange Variation | |
| Nov 23, 2025 | Koitsidis | 0–1 | Ertan | Round 7: Koitsidis, Petros Chronis - Ertan, Burak | Caro-Kann Defense: Exchange Variation | |
| Nov 23, 2025 | Morschel | ½–½ | Koitsidis | Round 6: Morschel, Tammo - Koitsidis, Petros Chronis | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 23, 2025 | Koitsidis | 0–1 | Weinhart | Round 5: Koitsidis, Petros Chronis - Weinhart, Pascal | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Nov 23, 2025 | Schlueter | ½–½ | Koitsidis | Round 4: Schlueter, Justus - Koitsidis, Petros Chronis | Caro-Kann Defense: Exchange Variation | |
| Nov 23, 2025 | Koitsidis | 0–1 | Fibich | Round 3: Koitsidis, Petros Chronis - Fibich, Jascha | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Nov 23, 2025 | Shukla | 0–1 | Koitsidis | Round 2: Shukla, Bhavya - Koitsidis, Petros Chronis | Caro-Kann Defense: Gurgenidze System | |
| Nov 23, 2025 | Koitsidis | 0–1 | Mimkes | Round 1: Koitsidis, Petros Chronis - Mimkes, Antal | Sicilian Defense: Alapin Variation | |
| Nov 22, 2025 | Koitsidis | 1–0 | Ferchel | Round 9: Koitsidis, Petros Chronis - Ferchel, Leo | Caro-Kann Defense: Exchange Variation | |
| Nov 22, 2025 | Napiontek | 1–0 | Koitsidis | Round 8: Napiontek, Moritz - Koitsidis, Petros Chronis | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 22, 2025 | Koitsidis | 0–1 | Quante | Round 7: Koitsidis, Petros Chronis - Quante, Lennart | Sicilian Defense: Alapin Variation | |
| Nov 22, 2025 | Rixe | 0–1 | Koitsidis | Round 6: Rixe, Finn Ole - Koitsidis, Petros Chronis | Caro-Kann Defense | |
| Nov 22, 2025 | Koitsidis | 0–1 | Fibich | Round 5: Koitsidis, Petros Chronis - Fibich, Jascha | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Nov 22, 2025 | Kesselmeier | 1–0 | Koitsidis | Round 4: Kesselmeier, Kevin - Koitsidis, Petros Chronis | Caro-Kann Defense: Modern Variation | |
| Nov 22, 2025 | Koitsidis | 1–0 | Rocklage | Round 3: Koitsidis, Petros Chronis - Rocklage, Jeromin | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Nov 22, 2025 | Fung | 0–1 | Koitsidis | Round 2: Fung, Oliver Yat-Sing - Koitsidis, Petros Chronis | Queen's Gambit Declined | |
| Nov 22, 2025 | Koitsidis | 0–1 | Kolb | Round 1: Koitsidis, Petros Chronis - Kolb, Tobias | Caro-Kann Defense: Exchange Variation | |
| Nov 30, 2024 | Koitsidis | 1–0 | Abed | Round 2: Koitsidis, Petros Chronis - Abed, Karim | French Defense: Exchange Variation | |
| Nov 30, 2024 | Koitsidis | 0–1 | Kantor | Round 4: Koitsidis, Petros Chronis - Kantor, Nikita | Caro-Kann Defense: Exchange Variation | |
| Nov 30, 2024 | Koitsidis | 0–1 | Dieterich | Round 6: Koitsidis, Petros Chronis - Dieterich, Henri | Italian Game: Two Knights Defense, Polerio Defense, Suhle Defense | |
| Nov 30, 2024 | Quante | 1–0 | Koitsidis | Round 3: Quante, Lennart - Koitsidis, Petros Chronis | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Nov 30, 2024 | Mai | ½–½ | Koitsidis | Round 5: Mai, Manh - Koitsidis, Petros Chronis | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Nov 30, 2024 | Guenther | 1–0 | Koitsidis | Round 7: Guenther, Oliver - Koitsidis, Petros Chronis | Caro-Kann Defense: Gurgenidze System | |
