Level, 1 wins each over 2 singles meetings since 2024. Last meeting on 20/04/2026 at Oeiras Open CETO - Oeiras.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 20/04/2026 | Oeiras Open CETO - Oeiras | Round 1 | clay | Costoulas | 6-4 6-4 |
| 02/09/2024 | Montreux Nestle Open - Montreux | Qualifiers | clay | Koevermans | 6-1 6-3 |
| clay | Koevermans 1 - 1 Costoulas |
| 2026 | Koevermans 0 - 1 Costoulas |
| 2024 | Koevermans 1 - 0 Costoulas |
179 wins, 110 losses since 2021 (61.9%).
Last matches: D V V V D
208 wins, 141 losses since 2021 (59.6%).
Last matches: D D D D V
Level, 1 wins each over 2 singles meetings since 2024.
On 20/04/2026, at Oeiras Open CETO - Oeiras (Round 1): Sofia Costoulas won 6-4 6-4.