| Jun 30, 2026 | Ilinca | 1–0 | Ozsakallioglu | Round 2: Ilinca, Felix-Antonio - Ozsakallioglu, Okan | Nimzo-Larsen Attack: Classical Variation | |
| Jun 29, 2026 | Ozsakallioglu | ½–½ | Khubukshanov | Round 1: Ozsakallioglu, Okan - Khubukshanov, Erdem | Sicilian Defense: Najdorf Variation | |
| Jun 18, 2026 | Ozsakallioglu | 1–0 | Perkampus | Round 9: Ozsakallioglu, Okan - Perkampus, Laurin | Sicilian Defense: Four Knights Variation | |
| Jun 17, 2026 | Ramaj | ½–½ | Ozsakallioglu | Round 8: Ramaj, Ergit - Ozsakallioglu, Okan | Four Knights Game: Gunsberg Variation | |
| Jun 16, 2026 | Ozsakallioglu | ½–½ | Karademir | Round 7: Ozsakallioglu, Okan - Karademir, Bugra | English Opening: Agincourt Defense | |
| Jun 15, 2026 | Djukanovic | 0–1 | Ozsakallioglu | Round 6: Djukanovic, Mitar - Ozsakallioglu, Okan | Hungarian Opening: Indian Defense | |
| Jun 14, 2026 | Krasniqi | 1–0 | Ozsakallioglu | Round 5: Krasniqi, Alban - Ozsakallioglu, Okan | Rapport-Jobava System | |
| Jun 14, 2026 | Ozsakallioglu | ½–½ | Fischer | Round 4: Ozsakallioglu, Okan - Fischer, Daniel | Ruy Lopez: Exchange Variation, Gligoric Variation | |
| Jun 13, 2026 | Ozsakallioglu | ½–½ | Bernadskiy | Round 3: Ozsakallioglu, Okan - Bernadskiy, Vitaliy | Sicilian Defense: Najdorf Variation | |
| Jun 13, 2026 | Jusufi | 0–1 | Ozsakallioglu | Round 2: Jusufi, Ahmet - Ozsakallioglu, Okan | Caro-Kann Defense: Maróczy Variation | |
| Jun 13, 2026 | Ozsakallioglu | 1–0 | Boshnjakaj | Round 1: Ozsakallioglu, Okan - Boshnjakaj, Hysen | Caro-Kann Defense: Endgame Offer | |
| May 31, 2026 | Oz | 0–1 | Ozsakallioglu | Round 9: Oz, Ege - Ozsakallioglu, Okan | Caro-Kann Defense | |
| May 31, 2026 | Ozsakallioglu | 1–0 | Soydan | Round 8: Ozsakallioglu, Okan - Soydan, Can | Four Knights Game: Spanish Variation, Symmetrical Variation | |
| May 31, 2026 | Gurel | 0–1 | Ozsakallioglu | Round 7: Gurel, Ahmet Unal - Ozsakallioglu, Okan | King's Indian Defense: Fianchetto Variation, Kavalek Defense | |
| May 31, 2026 | Ozsakallioglu | ½–½ | Eren | Round 6: Ozsakallioglu, Okan - Eren, Ataberk | Slav Defense: Exchange Variation, Symmetrical Line | |
| May 31, 2026 | Nazli | 0–1 | Ozsakallioglu | Round 3: Nazli, Sertan - Ozsakallioglu, Okan | Pirc Defense | |
| May 31, 2026 | Ozsakallioglu | 1–0 | Yilmaz | Round 2: Ozsakallioglu, Okan - Yilmaz, Can Aslan | Caro-Kann Defense: Endgame Variation | |
| May 31, 2026 | Annaberdiyeva | 0–1 | Ozsakallioglu | Round 1: Annaberdiyeva, Shirin - Ozsakallioglu, Okan | Caro-Kann Defense | |
| May 31, 2026 | Yildiz | 1–0 | Ozsakallioglu | Round 5: Yildiz, Ali Aras - Ozsakallioglu, Okan | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| May 31, 2026 | Ozsakallioglu | 1–0 | Ucoluk | Round 4: Ozsakallioglu, Okan - Ucoluk, Umut | Sicilian Defense: Najdorf Variation | |
| May 3, 2026 | Suljovic | * | Ozsakallioglu | Round 3: Suljovic, Sulejman - Ozsakallioglu, Okan | ? | |
| May 2, 2026 | Ozsakallioglu | * | Holland | Round 2: Ozsakallioglu, Okan - Holland, James P | ? | |
| Apr 26, 2026 | Ozsakallioglu | 0–1 | Cirovic | Round 1: Ozsakallioglu, Okan - Cirovic, Miroljub | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Sep 30, 2025 | Ozsakallioglu | ½–½ | Biyiksiz | Round 9: Ozsakallioglu, Okan - Biyiksiz, Ali Batuhan | Catalan Opening: Open Defense, Classical Line | |
| Sep 29, 2025 | Dal | ½–½ | Ozsakallioglu | Round 8: Dal, Emir Saygin - Ozsakallioglu, Okan | Sicilian Defense: Four Knights Variation | |
| Sep 28, 2025 | Ozsakallioglu | ½–½ | Tilicheev | Round 7: Ozsakallioglu, Okan - Tilicheev, Viacheslav | Ruy Lopez: Exchange Variation, Alapin Gambit | |
| Sep 28, 2025 | Deveci | ½–½ | Ozsakallioglu | Round 6: Deveci, Huseyin Said - Ozsakallioglu, Okan | Caro-Kann Defense: Modern Variation | |
| Sep 27, 2025 | Biyiksiz | ½–½ | Ozsakallioglu | Round 4: Biyiksiz, Ali Batuhan - Ozsakallioglu, Okan | East Indian Defense | |
| Sep 26, 2025 | Ozsakallioglu | 1–0 | Dal | Round 3: Ozsakallioglu, Okan - Dal, Emir Saygin | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Sep 26, 2025 | Tilicheev | ½–½ | Ozsakallioglu | Round 2: Tilicheev, Viacheslav - Ozsakallioglu, Okan | Petrov's Defense: Kaufmann Attack | |
| Sep 25, 2025 | Ozsakallioglu | ½–½ | Deveci | Round 1: Ozsakallioglu, Okan - Deveci, Huseyin Said | Slav Defense: Czech Variation, Krause Attack | |
| Sep 25, 2025 | Schekachikhin | ½–½ | Ozsakallioglu | Round 10: Schekachikhin, Maksim - Ozsakallioglu, Okan | Sicilian Defense: Alapin Variation | |
| Sep 25, 2025 | Ozsakallioglu | ½–½ | Schekachikhin | Round 5: Ozsakallioglu, Okan - Schekachikhin, Maksim | Sicilian Defense: Najdorf Variation, English Attack | |
| Sep 23, 2025 | Ozsakallioglu | ½–½ | Schekachikhin | Round 9: Ozsakallioglu, Okan - Schekachikhin, Maksim | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 22, 2025 | Milanovic | ½–½ | Ozsakallioglu | Round 7: Milanovic, Slavisa - Ozsakallioglu, Okan | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Sep 21, 2025 | Ozsakallioglu | 1–0 | Deveci | Round 6: Ozsakallioglu, Okan - Deveci, Huseyin Said | English Opening: King's English Variation, Reversed Sicilian | |
| Sep 21, 2025 | Senel | ½–½ | Ozsakallioglu | Round 5: Senel, Hayri Beyhun - Ozsakallioglu, Okan | King's Indian Attack: Spassky Variation | |
| Sep 20, 2025 | Ozsakallioglu | ½–½ | Ozdemir | Round 4: Ozsakallioglu, Okan - Ozdemir, Serhan Berat | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Sep 19, 2025 | Sahbudak | 0–1 | Ozsakallioglu | Round 3: Sahbudak, Baris Cinar - Ozsakallioglu, Okan | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Sep 19, 2025 | Ozsakallioglu | 0–1 | Tilicheev | Round 2: Ozsakallioglu, Okan - Tilicheev, Viacheslav | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Sep 18, 2025 | Mutlu | ½–½ | Ozsakallioglu | Round 1: Mutlu, Burak Alp - Ozsakallioglu, Okan | Sicilian Defense: Alapin Variation, Stoltz Attack | |
| Sep 18, 2025 | Blesic | ½–½ | Ozsakallioglu | Round 8: Blesic, Vaso - Ozsakallioglu, Okan | Petrov's Defense: Cozio Attack | |
| Sep 8, 2025 | Javadov | 0–1 | Ozsakallioglu | Round 5: Javadov, Habil - Ozsakallioglu, Okan | London System | |
| Sep 6, 2025 | Ozsakallioglu | 1–0 | Tursunali | Round 3: Ozsakallioglu, Okan - Tursunali , Bekarys | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| Sep 5, 2025 | Zhakshylykov | 1–0 | Ozsakallioglu | Round 2: Zhakshylykov, Erzhan - Ozsakallioglu, Okan | Slav Defense: Exchange Variation, Symmetrical Line | |
| Sep 4, 2025 | Ozsakallioglu | 1–0 | Ibodullaev | Round 1: Ozsakallioglu, Okan - Ibodullaev, Jurabek | Sicilian Defense: Hyperaccelerated Dragon | |
| Jul 31, 2025 | Ozsakallioglu | 1–0 | Eroz | Round 5: Ozsakallioglu, Okan - Eroz, Enis | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jul 30, 2025 | Marangoz | 0–1 | Ozsakallioglu | Round 4: Marangoz, Mehmet Deniz - Ozsakallioglu, Okan | Philidor Defense: Lion Variation | |
| Jul 30, 2025 | Ozsakallioglu | 1–0 | Ertan | Round 3: Ozsakallioglu, Okan - Ertan, Oktay | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| Jul 29, 2025 | Kazdagli | 1–0 | Ozsakallioglu | Round 2: Kazdagli, Benan - Ozsakallioglu, Okan | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 28, 2025 | Ozsakallioglu | 1–0 | Serbulent | Round 1: Ozsakallioglu, Okan - Serbulent, Huseyin | Sicilian Defense: Richter-Rauzer Variation | |
| Jun 29, 2025 | Ceyhan | 1–0 | Ozsakallioglu | Round 9: Ceyhan, Mert - Ozsakallioglu, Okan | Modern Defense | |
| Jun 28, 2025 | Ozsakallioglu | 0–1 | Isik | Round 8: Ozsakallioglu, Okan - Isik, Alparslan | Sicilian Defense: Classical Variation | |
| Jun 27, 2025 | Hasirci | 0–1 | Ozsakallioglu | Round 7: Hasirci, Ozgur Deniz - Ozsakallioglu, Okan | Modern Defense: Standard Defense | |
| Jun 26, 2025 | Ozsakallioglu | 0–1 | Kantor | Round 6: Ozsakallioglu, Okan - Kantor, Gergely | Ruy Lopez: Exchange Variation, Normal Variation | |
| Jun 26, 2025 | Guleryuz | 0–1 | Ozsakallioglu | Round 5: Guleryuz, Kuzey - Ozsakallioglu, Okan | Philidor Defense: Lion Variation | |
| Jun 25, 2025 | Ozsakallioglu | 1–0 | Sabirov | Round 4: Ozsakallioglu, Okan - Sabirov, Rafael | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jun 24, 2025 | Metin | ½–½ | Ozsakallioglu | Round 3: Metin, Enis - Ozsakallioglu, Okan | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Jun 24, 2025 | Ozsakallioglu | ½–½ | Yalcinkaya | Round 2: Ozsakallioglu, Okan - Yalcinkaya, Efe | Caro-Kann Defense: Endgame Variation | |
| Jun 23, 2025 | Demirtas | ½–½ | Ozsakallioglu | Round 1: Demirtas, Alper - Ozsakallioglu, Okan | Queen's Pawn Game: Symmetrical Variation | |
| Jun 7, 2025 | Ozsakallioglu | 1–0 | Xheladini | Round 9: Ozsakallioglu, Okan - Xheladini, Mahmut | Caro-Kann Defense | |
| Jun 6, 2025 | Rahimi | ½–½ | Ozsakallioglu | Round 8: Rahimi, Rahim - Ozsakallioglu, Okan | Pirc Defense | |
| Jun 5, 2025 | Asllani | 0–1 | Ozsakallioglu | Round 7: Asllani, Muhamet - Ozsakallioglu, Okan | Rat Defense: English Rat | |
| Jun 4, 2025 | Ozsakallioglu | 0–1 | Cilek | Round 6: Ozsakallioglu, Okan - Cilek, Bora | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jun 3, 2025 | Bernadskiy | 1–0 | Ozsakallioglu | Round 5: Bernadskiy, Vitaliy - Ozsakallioglu, Okan | Petrov's Defense: Classical Attack | |
| Jun 2, 2025 | Ozsakallioglu | ½–½ | Isik | Round 4: Ozsakallioglu, Okan - Isik, Alparslan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 2, 2025 | Koka | 0–1 | Ozsakallioglu | Round 3: Koka, Osman - Ozsakallioglu, Okan | Queen's Pawn Game | |
| Jun 2, 2025 | Ozsakallioglu | 1–0 | Berisha | Round 2: Ozsakallioglu, Okan - Berisha, Enver | Sicilian Defense: Najdorf Variation | |
| Jun 2, 2025 | Zenuni | 0–1 | Ozsakallioglu | Round 1: Zenuni, Hasan - Ozsakallioglu, Okan | ? | |
| Aug 19, 2024 | Rahmanov | 0–1 | Ozsakallioglu | 29. Troya Uluslararasi Acik Satranc Turnuvasi | Slav Defense: Czech Variation, Wiesbaden Variation | |
| Jul 26, 2024 | Ozsakallioglu | 1–0 | Tarhan | Turkiye Is bankasi Super Ligi | Ruy Lopez: Fianchetto Defense | |
| Jul 25, 2024 | Citak | 1–0 | Ozsakallioglu | Turkiye Is bankasi Super Ligi | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Jul 24, 2024 | Ozsakallioglu | ½–½ | Arat | Turkiye Is bankasi Super Ligi | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jul 23, 2024 | Buyukasik | 0–1 | Ozsakallioglu | Turkiye Is bankasi Super Ligi | King's Indian Defense: Fianchetto Variation, Kavalek Defense | |
| Jul 22, 2024 | Ozsakallioglu | 0–1 | Korobov | Turkiye Is bankasi Super Ligi | Sicilian Defense: Najdorf Variation, English Attack | |
| Jul 21, 2024 | Ozsakallioglu | 0–1 | Sanal | Turkiye Is bankasi Super Ligi | Philidor Defense: Lion Variation | |
| Jul 21, 2024 | Firat | 1–0 | Ozsakallioglu | Turkiye Is bankasi Super Ligi | Sicilian Defense: French Variation | |
| Jul 20, 2024 | Brkic | 1–0 | Ozsakallioglu | Turkiye Is bankasi Super Ligi | Sicilian Defense: French Variation | |
| Jul 19, 2024 | Ozsakallioglu | ½–½ | Poormosavi | Turkiye Is bankasi Super Ligi | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 18, 2024 | Samani | ½–½ | Ozsakallioglu | Turkiye Is bankasi Super Ligi | Sicilian Defense: Old Sicilian | |
| Jul 17, 2024 | Isik | ½–½ | Ozsakallioglu | Turkiye Is bankasi Super Ligi | Nimzo-Indian Defense: Rubinstein System | |
| Jul 16, 2024 | Ozsakallioglu | ½–½ | Agdelen | Turkiye Is bankasi Super Ligi | Four Knights Game: Spanish Variation, Rubinstein Variation | |
| Jul 15, 2024 | Petkov | 1–0 | Ozsakallioglu | Turkiye Is bankasi Super Ligi | King's Indian Attack: Yugoslav Variation | |
| Jul 14, 2024 | Ozsakallioglu | ½–½ | Baglan | Turkiye Is bankasi Super Ligi | Ruy Lopez: Exchange Variation, Keres Variation | |
| Jun 28, 2024 | Ozsakallioglu | 0–1 | Eke | Uluslararasi Cesme Open | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 27, 2024 | Ozsakallioglu | ½–½ | Barrish | Uluslararasi Cesme Open | Caro-Kann Defense: Endgame Variation | |
| Jun 27, 2024 | Zerey | 1–0 | Ozsakallioglu | Uluslararasi Cesme Open | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jun 25, 2024 | Ozsakallioglu | ½–½ | Bicer | Uluslararasi Cesme Open | Caro-Kann Defense: Endgame Variation | |
| Jun 25, 2024 | Ozcan | ½–½ | Ozsakallioglu | Uluslararasi Cesme Open | Slav Defense: Czech Variation, Classical System, Main Line | |
| Jun 24, 2024 | Selbes | 0–1 | Ozsakallioglu | Uluslararasi Cesme Open | King's Indian Attack | |
| Jun 23, 2024 | Ozsakallioglu | 1–0 | Zakirov | Uluslararasi Cesme Open | Sicilian Defense: Najdorf Variation, English Attack | |
| Mar 22, 2024 | Ozsakallioglu | ½–½ | Kuru | Round 9: Ozsakallioglu, Okan - Kuru, Atilla | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Mar 21, 2024 | David | ½–½ | Ozsakallioglu | Round 8: David, Alexandru-Vasile - Ozsakallioglu, Okan | Petrov's Defense | |
| Mar 21, 2024 | Ozsakallioglu | ½–½ | Yermolinsky | Round 7: Ozsakallioglu, Okan - Yermolinsky, Alex | Caro-Kann Defense: Endgame Variation | |
| Mar 20, 2024 | Aydin | 0–1 | Ozsakallioglu | Round 6: Aydin, Gulenay - Ozsakallioglu, Okan | Sicilian Defense: Alapin Variation, Stoltz Attack | |
| Mar 20, 2024 | Baltag | ½–½ | Ozsakallioglu | Round 5: Baltag, Iulian - Ozsakallioglu, Okan | Sicilian Defense: French Variation, Westerinen Attack | |
| Mar 19, 2024 | Ozsakallioglu | 1–0 | Gur | Round 4: Ozsakallioglu, Okan - Gur, Ali | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| Mar 19, 2024 | Kazimova | 0–1 | Ozsakallioglu | Round 3: Kazimova, Narmin - Ozsakallioglu, Okan | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Mar 18, 2024 | Ozsakallioglu | 1–0 | Gunduz | Round 2: Ozsakallioglu, Okan - Gunduz, Umut Erdem | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Mar 18, 2024 | Yalcinkaya | 0–1 | Ozsakallioglu | Round 1: Yalcinkaya, Efe - Ozsakallioglu, Okan | Sicilian Defense: Alapin Variation, Stoltz Attack | |