| Billie Jean King Cup | 11/17 02:00 | 64 | Guo/Jiang v Costoulas/Vandewinkel | 7-6,6-3 | |
| ITF W50 Pretoria WD | 02/24 10:15 | 29 | Glushko/Knutson v Costoulas/Vandewinkel | 7-6,7-6 | |
| ITF W50 Pretoria WD | 02/23 11:05 | 28 | Costoulas/Vandewinkel v Saigo/Saigo | 6-4,6-1 | |
| ITF W50 Pretoria WD | 02/22 10:00 | 27 | Corley/Daniel v Costoulas/Vandewinkel | 4-6,0-6 | |
| ITF W50 Pretoria WD | 02/21 12:55 | 26 | Berecoechea/Kruger v Costoulas/Vandewinkel | 4-6,6-7 |