Sofie Oyen defeated Katharina Lehnert 6-2 4-6 7-6 in the Brussels 10K round of 16 on clay. The upset overturned the form book — Katharina Lehnert came in leading the head-to-head 1–0. Sofie Oyen claimed a first win over Katharina Lehnert in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-31 | Engis $10K | SF | clay | Katharina Lehnert | 6-3 2-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.