| Game | Result | Opening | Date |
|---|---|---|---|
| Heberla, Bartlomiej (2499) – Ozsakallioglu, Okan (2282) | 1-0 | Semi-Slav Defense: Accelerated Meran Variation | 2026-08-15 |
| Celik, Ali Alper (2216) – Ozsakallioglu, Okan (2282) | 1-0 | Caro-Kann Defense: De Bruycker Defense | 2026-08-14 |
| Ozsakallioglu, Okan (2282) – Sevgi, Volkan (2319) | 0-1 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 2026-08-13 |
| Caputcuoglu, Zeki Berke (2211) – Ozsakallioglu, Okan (2282) | 1/2-1/2 | Slav Defense: Exchange Variation | 2026-08-12 |
| Ozsakallioglu, Okan (2282) – Yurtseven, Melih (2362) | 1/2-1/2 | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | 2026-08-11 |
| Celik, Hasan Huseyin (2503) – Ozsakallioglu, Okan (2282) | 1-0 | King's Indian Defense: Normal Variation, Rare Defenses | 2026-08-10 |
| Sarioglu, Hakan Bora (2030) – Ozsakallioglu, Okan (2282) | 0-1 | King's Indian Defense: Normal Variation, Rare Defenses | 2026-08-07 |
| Ozsakallioglu, Okan (2282) – Kilic, Eray (2496) | 0-1 | Sicilian Defense: Dragon Variation | 2026-08-06 |
| Huseyinoglu, Alihan (2397) – Ozsakallioglu, Okan (2282) | 1/2-1/2 | Slav Defense: Czech Variation, Krause Attack | 2026-08-05 |
| Ozsakallioglu, Okan (2282) – Akbas, Umut Ata (2441) | 1-0 | Sicilian Defense: Najdorf Variation, English Attack | 2026-08-04 |
| Buyuk, Eymen Eren (2281) – Ozsakallioglu, Okan (2282) | 1-0 | Slav Defense: Quiet Variation, Schallopp Defense | 2026-08-03 |
| Akturk, Mustafa Deniz (2143) – Ozsakallioglu, Okan (2300) | 1-0 | Slav Defense: Czech Variation, Krause Attack | 2026-07-04 |
| Kalambetov, Anton (2099) – Ozsakallioglu, Okan (2300) | 1-0 | Pirc Defense | 2026-07-02 |
| Ozsakallioglu, Okan (2300) – Yilmaz, Kerem Tuna (2061) | 0-1 | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | 2026-07-02 |
| Pintor, Simao (2104) – Ozsakallioglu, Okan (2300) | 0-1 | Italian Game: Two Knights Defense, Modern Bishop's Opening | 2026-07-01 |
| Ilinca, Felix-Antonio (2495) – Ozsakallioglu, Okan (2297) | 1-0 | Nimzo-Larsen Attack: Classical Variation | 2026-06-30 |
| Ozsakallioglu, Okan (2297) – Khubukshanov, Erdem (2505) | 1/2-1/2 | Sicilian Defense: Najdorf Variation | 2026-06-29 |
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