35 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Ostojic, Katarina | Bojicic, Andjela | 1/2-1/2 | B21 | Round 4: Ostojic, Katarina - Bojicic, Andjela | 2025-09-21 |
| Ostojic, Katarina | Djordjevic, Dragan | 1-0 | B21 | Round 10: Ostojic, Katarina - Djordjevic, Dragan | 2024-10-18 |
| Ostojic, Katarina | Begus, Drasko | 1/2-1/2 | B21 | Round 3: Ostojic, Katarina - Begus, Drasko | 2024-10-11 |
| Katarina Ostojic | Antonia Christodoulaki | 1/2-1/2 | B21 | Prva liga Srbije za zene 2023 | 2023-10-20 |
| Katarina Ostojic | Suzana Maksimovic | 1-0 | B21 | Prva liga Srbije za zene 2023 | 2023-10-18 |
| Katarina Ostojic | Sanja Petronic | 1/2-1/2 | C22 | Prva liga Srbije za zene 2023 | 2023-10-16 |
| Katarina Ostojic | Jelena Bokan | 1-0 | A45 | Prva liga Srbije za zene 2023 | 2023-10-16 |
| Katarina Ostojic | Maria Manakova | 0-1 | B21 | Prva liga Srbije za zene 2023 | 2023-10-16 |
| Katarina Ostojic | Jovana Eric | 1-0 | C45 | Round 8: WFM Katarina Ostojic (1989) - WGM Jovana Eric (2210) | 2023-06-13 |
| Katarina Ostojic | Maria Manakova | 1-0 | B21 | Round 6: Katarina Ostojic - Maria Manakova | 2023-06-11 |
| Katarina Ostojic | Sandra Djukic | 0-1 | B00 | Round 4: Katarina Ostojic - Sandra Djukic | 2023-06-09 |
| Katarina Ostojic | Ana Tadic | 0-1 | D30 | Round 3: Katarina Ostojic - Ana Tadic | 2023-06-08 |
| Katarina Ostojic | Anja Jovanovic | 0-1 | E05 | Round 1: Katarina Ostojic - Anja Jovanovic | 2023-06-06 |
| Katarina Ostojic | Milena Vujcic | 0-1 | A48 | Round 7: Katarina Ostojic - Milena Vujcic | 2022-03-21 |
| Katarina Ostojic | Natasa Krstic | 1-0 | A48 | Round 4: Katarina Ostojic - Natasa Krstic | 2022-03-19 |
| Katarina Ostojic | Anastasija Gogic | 1-0 | A46 | Round 3: Katarina Ostojic - Anastasija Gogic | 2022-03-18 |
| Ostojic, Katarina | Drljevic, Ljilja | 1/2-1/2 | B06 | First Serbian Women's League 2021 | 2021-09-13 |
| Ostojic, Katarina | Velikic, Adela | 0-1 | D12 | SRB-ch Team Women 2021 | 2021-09-09 |