United Kingdom: W35 Manchester - Doubles - Main |
| Quarter-finals | Arseneault A./Rogers A. S. | Costoulas S./Wong Hong Yi C. | 2:1 (4:6, 6:3, 10:8) | dettagli | 19.02.2025 |
| 1/8-finals | Costoulas S./Wong Hong Yi C. | Davies M./Maloney E. | 2:0 (6:0, 6:3) | dettagli | 18.02.2025 |
United Kingdom: W50 Birmingham - Doubles - Main |
| Quarter-finals | Costoulas S./Ngounoue C. | Chong E./Wong Hong Yi C. | 1:2 (3:6, 7:5, 9:11) | dettagli | 13.02.2025 |
| 1/8-finals | Costoulas S./Ngounoue C. | Hutchinson H./McDonald E. | 2:0 (6:4, 7:63) | dettagli | 11.02.2025 |
United Kingdom: W35 Sunderland - Doubles - Main |
| Quarter-finals | Costoulas S./Vlasselaer C. | Park S./Wong Hong Yi C. | 1:2 (6:3, 4:6, 7:10) | dettagli | 23.01.2025 |
| 1/8-finals | Paszek T./Primorac I. | Costoulas S./Vlasselaer C. | 0:2 (3:6, 3:6) | dettagli | 22.01.2025 |
United Arab Emirates: W100 Dubai - Doubles - Main |
| 1/8-finals | Charaeva A./Reyngold E. | Costoulas S./Yamalapalli S. | 2:0 (6:4, 6:3) | dettagli | 03.12.2024 |
Australia: W75 Carrara - Doubles - Main |
| Semi-finals | Barry M./Costoulas S. | Hayashi E./Morisaki K. | 0:2 (4:6, 3:6) | dettagli | 29.11.2024 |
| Quarter-finals | Barry M./Costoulas S. | Yoshioka K./Yuan C. | 2:0 (7:5, 6:2) | dettagli | 28.11.2024 |
| 1/8-finals | Barry M./Costoulas S. | Nagata A./Yamazaki I. | 2:0 (6:3, 6:2) | dettagli | 26.11.2024 |
World: Billie Jean King Cup - World Group - Doubles - Relegation - Play Offs |
| | Guo H./Jiang X. | Costoulas S./Vandewinkel H. | 2:0 (7:63, 6:3) | dettagli | 17.11.2024 |
| | Guo H./Jiang X. | Costoulas S./Vandromme J. | CAN. | dettagli | 17.11.2024 |
United Kingdom: W35 Loughborough 2 - Doubles - Main |
| Quarter-finals | McDonald E./Stoiber R. A. | Bartashevich Y./Costoulas S. | 2:0 (6:2, 6:1) | dettagli | 30.10.2024 |
| 1/8-finals | Bartashevich Y./Costoulas S. | Clarke C./Davies M. | 2:0 (6:2, 7:5) | dettagli | 29.10.2024 |
| 1/8-finals | Bartashevich Y./Costoulas S. | Sugnaux T./Weckerle M. | CAN. | dettagli | 29.10.2024 |
France: W35 Joue-les-Tours - Doubles - Main |
| 1/8-finals | Costoulas S./Kazionova E. | Albie A./Lew Yan Foon A. | 0:2 (3:6, 4:6) | dettagli | 09.10.2024 |