Roberta Vinci defeated Kiki Bertens 2-6 6-3 6-4 in the Katowice round of 16 on hard. The upset overturned the form book — Kiki Bertens came in leading the head-to-head 2–0, but Roberta Vinci had been the form player, winning 2 of their last 4 on hard. Roberta Vinci claimed a first win over Kiki Bertens in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-05-16 | Nurnberg | R16 | clay | Kiki Bertens | 6-4 7-6(4) |
| 2015-02-23 | Acapulco | R32 | hard | Kiki Bertens | 6-5 RET |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 198). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About