35 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Koseoglu, Omer Umut | Maksimovic, Branimir | 1-0 | C18 | Round 9: Koseoglu, Omer Umut - Maksimovic, Branimir | 2026-05-18 |
| Koseoglu, Omer Umut | Altun, Arda | 0-1 | C97 | Round 6: Koseoglu, Omer Umut - Altun, Arda | 2026-05-17 |
| Koseoglu, Omer Umut | Demir, Mustafa Erkan | 1-0 | B42 | Round 3: Koseoglu, Omer Umut - Demir, Mustafa Erkan | 2026-05-16 |
| Koseoglu, Omer Umut | Humbatova, Nazli | 1/2-1/2 | B33 | Round 5: Koseoglu, Omer Umut - Humbatova, Nazli | 2026-05-16 |
| Koseoglu, Omer Umut | Musovic, Armin | 0-1 | B00 | Round 7: Koseoglu, Omer Umut - Musovic, Armin | 2026-05-14 |
| Koseoglu, Omer Umut | Ersoz, Teoman Guney | 0-1 | A57 | Round 9: Koseoglu, Omer Umut - Ersoz, Teoman Guney | 2025-07-27 |
| Koseoglu, Omer Umut | Celik, Berkay | 1-0 | D10 | Round 6: Koseoglu, Omer Umut - Celik, Berkay | 2025-07-25 |
| Koseoglu, Omer Umut | Cakmak, Kursat Kagan | 1-0 | D31 | Round 4: Koseoglu, Omer Umut - Cakmak, Kursat Kagan | 2025-07-23 |
| Koseoglu, Omer Umut | Yazar, Ege | 0-1 | C04 | Round 2: Koseoglu, Omer Umut - Yazar, Ege | 2025-07-22 |
| Koseoglu, Omer Umut | Suzan, Ufuk | 1/2-1/2 | D01 | Round 9: Koseoglu, Omer Umut - Suzan, Ufuk | 2025-07-06 |
| Koseoglu, Omer Umut | Ozkan, Mehmet Emir | 1-0 | E46 | Round 8: Koseoglu, Omer Umut - Ozkan, Mehmet Emir | 2025-07-05 |
| Koseoglu, Omer Umut | Akgul, Emre Ramazan | 0-1 | B07 | Round 4: Koseoglu, Omer Umut - Akgul, Emre Ramazan | 2025-07-03 |
| Koseoglu, Omer Umut | Ceneli, Mehmet Canay | 1/2-1/2 | B07 | Round 2: Koseoglu, Omer Umut - Ceneli, Mehmet Canay | 2025-07-02 |
| Koseoglu, Omer Umut | Sadik, Muhammed Selim | 1/2-1/2 | B23 | Round 8: Koseoglu, Omer Umut - Sadik, Muhammed Selim | 2025-06-28 |
| Koseoglu, Omer Umut | Ozturk, Ahmet Emir | 1-0 | B23 | Round 4: Koseoglu, Omer Umut - Ozturk, Ahmet Emir | 2025-06-25 |
| Koseoglu, Omer Umut | Sezis, Doruk | 0-1 | B23 | Turkiye Kupasi Satranc Sampiyonasi | 2024-08-04 |
| Koseoglu, Omer Umut | Cevizci, Yusuf Baran | 1-0 | C01 | Turkiye Kupasi Satranc Sampiyonasi | 2024-08-02 |