16 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kostoglou, Apostolos | Eginoglou, Kalliopi | 0-1 | C10 | Round 2: Kostoglou, Apostolos - Eginoglou, Kalliopi | 2026-08-08 |
| Kostoglou, Apostolos | Tamiolakis, Grigorios | 1-0 | C07 | Round 5: Kostoglou, Apostolos - Tamiolakis, Grigorios | 2025-11-29 |
| Kostoglou, Apostolos | Afantiti, Maria Varvara | 1-0 | B15 | Round 2: Kostoglou, Apostolos - Afantiti, Maria Varvara | 2025-11-28 |
| Kostoglou, Apostolos | Tamiolakis, Grigorios | 1/2-1/2 | B41 | Round 7: Kostoglou, Apostolos - Tamiolakis, Grigorios | 2025-07-10 |
| Kostoglou, Apostolos | Volani, Olga | 0-1 | B44 | Round 3: Kostoglou, Apostolos - Volani, Olga | 2025-07-03 |
| Kostoglou, Apostolos | Papanikolaou, Dimitrios Nik | 0-1 | B15 | Round 1: Kostoglou, Apostolos - Papanikolaou, Dimitrios Nik | 2024-08-31 |