Marta Custic defeated Oksana Selekhmeteva 6-3 6-1 in the W15 Platja D'Aro 1 round of 32 on clay. The upset overturned the form book — Oksana Selekhmeteva came in leading the head-to-head 1–0. Marta Custic claimed a first win over Oksana Selekhmeteva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-01 | W25 Manacor | Q64 | hard | Oksana Selekhmeteva | 7-6(4) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.