Sofie Oyen defeated Polina Leykina 6-1 7-5 in the Nieuwpoort $10K qualifying round on clay. The upset overturned the form book — Polina Leykina came in leading the head-to-head 1–0. Sofie Oyen claimed a first win over Polina Leykina in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-06 | Knokke $10K | F | clay | Polina Leykina | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.