17 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Tkacenko, Kostia | Fu, Ziqing | 0-1 | C78 | Round 9: Tkacenko, Kostia - Fu, Ziqing | 2026-04-30 |
| Tkacenko, Kostia | De Wit, Jim | 0-1 | B28 | Round 7: Tkacenko, Kostia - De Wit, Jim | 2026-04-29 |
| Tkacenko, Kostia | Huang, Vincent | 0-1 | B72 | Round 3: Tkacenko, Kostia - Huang, Vincent | 2026-04-27 |
| Tkacenko, Kostia | Brorens, Victor | 1-0 | C65 | Round 5: Tkacenko, Kostia - Brorens, Victor | 2026-04-27 |
| Tkacenko, Kostia | Nadrshin, Oleg | 1-0 | B33 | Round 1: Tkacenko, Kostia - Nadrshin, Oleg | 2026-04-25 |
| Tkacenko, Kostia | Ozbek, Ahmet Naim | 0-1 | E24 | Round 9: Tkacenko, Kostia - Ozbek, Ahmet Naim | 2025-05-02 |
| Tkacenko, Kostia | Kudernac, Theo | 0-1 | D37 | Round 7: Tkacenko, Kostia - Kudernac, Theo | 2025-04-30 |
| Tkacenko, Kostia | Luong, Thao | 0-1 | E61 | Round 4: Tkacenko, Kostia - Luong, Thao | 2025-04-28 |
| Tkacenko, Kostia | Yantur, Arda | 1/2-1/2 | E61 | Round 2: Tkacenko, Kostia - Yantur, Arda | 2025-04-27 |