Sviatlana Pirazhenka defeated Vivian Heisen 7-5 3-6 6-4 in the Oldenzaal $10K round of 16 on clay. The upset overturned the form book — Vivian Heisen came in leading the head-to-head 1–0. Sviatlana Pirazhenka claimed a first win over Vivian Heisen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-31 | Engis $10K | R32 | clay | Vivian Heisen | 6-4 6-0 |
Averages over each player's completed matches in the selected window (4 vs 11). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About