Kiki Bertens defeated Kirsten Flipkens 6-7 6-4 6-1 in the Torhout 100K round of 32 on hard. The upset overturned the form book — Kirsten Flipkens came in leading the head-to-head 4–1. Kiki Bertens narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-10-01 | Beijing | R32 | hard | Kiki Bertens | 6-1 6-1 |
| 2018-06-11 | S-Hertogenbosch | R16 | grass | Kirsten Flipkens | 6-4 6-7 6-1 |
| 2018-05-21 | Nurnberg | QF | clay | Kirsten Flipkens | 5-7 6-3 7-6 |
| 2015-08-17 | Vancouver BC $100K | QF | hard | Kirsten Flipkens | 6-7(5) 6-3 7-6(3) |
| 2013-08-05 | Toronto | R32 | hard | Kirsten Flipkens | 7-5 3-6 6-2 |
Averages over each player's completed matches in the selected window (198 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About