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Astana 1 
Davis Сup Group I Tennis. Played Costoulas Sofia. Season 2025
Country 
Belgium. Ranking WTA 194.
Belgium. Ranking WTA 194. WTA - J&S Cup | ||||
|---|---|---|---|---|
| 30.07.2025 | Second round | Costoulas Sofia — Golubic Viktorija | 1:2 (7:5, 3:6, 3:6) |
|
| 29.07.2025 | First round | Costoulas Sofia — Kubka Martyna | 2:1 (4:6, 6:3, 6:3) |
|
 WTA - Porto | ||||
| 14.07.2025 | First round | Preston Taylah — Costoulas Sofia (Retired) | 1:0 (7:5, 2:1) |
|
 WTA - French Open | ||||
| 21.05.2025 | Qualifications - 2nd round | Costoulas Sofia — Radivojevic Lola | 1:2 (1:6, 6:3, 6:7) |
|