27 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Ovsejevitsch, Sergei | Petrovskiy, Vadym | 1/2-1/2 | D37 | Chess Week in Przeworsk 2025 | 2025-05-27 |
| Ovsejevitsch, Sergei | Vantika Agrawal | 1-0 | A17 | Chess Week in Przeworsk 2025 | 2025-05-26 |
| Ovsejevitsch, Sergei | Raczek, Krzysztof | 1/2-1/2 | E21 | Chess Week in Przeworsk 2025 | 2025-05-23 |
| Ovsejevitsch, Sergei | Szustakowski, Antoni | 1/2-1/2 | E21 | Chess Week in Przeworsk 2025 | 2025-05-22 |
| Ovsejevitsch, Sergei | Sowinski, Pawel | 1-0 | D50 | Chess Week in Przeworsk 2025 | 2025-05-22 |
| Ovsejevitsch, Sergei | Baldauf, Marco | 1/2-1/2 | D85 | Austrian Bundesliga | 2023-04-14 |
| Ovsejevitsch, GM Sergei | Solodovnichenko, GM Yuri | 1/2-1/2 | D27 | Smuk Skak GM 2022 | 2022-08-21 |
| Ovsejevitsch, GM Sergei | Solodovnichenko, GM Yuri | * | A13 | Smuk Skak GM 2022 | 2022-08-20 |
| Ovsejevitsch, GM Sergei | Korley, IM Kassa | 1/2-1/2 | D31 | Smuk Skak GM 2022 | 2022-08-19 |
| Ovsejevitsch, GM Sergei | Roshka, IM Yevgeniy | 1-0 | A61 | Smuk Skak GM 2022 | 2022-08-15 |
| Ovsejevitsch, Sergei | Teclaf, Pawel | 1/2-1/2 | A40 | GM | 2021-08-20 |
| Ovsejevitsch, Sergei | Navara, David | 0-1 | A33 | GM | 2021-08-19 |
| Ovsejevitsch, Sergei | Tomczak, Jacek | 1/2-1/2 | D85 | GM | 2021-08-17 |
| Ovsejevitsch, Sergei | Stocek, Jiri | 1/2-1/2 | A30 | GM | 2021-08-15 |