Kiki Bertens defeated Simona Halep 6-4 6-4 in the Madrid final on clay. The upset overturned the form book — Simona Halep came in leading the head-to-head 3–2, defending last year's quarter-final. Kiki Bertens narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-08-13 | Cincinnati | F | hard | Kiki Bertens | 2-6 7-6 6-2 |
| 2017-05-15 | Rome | SF | clay | Simona Halep | 7-5 6-1 |
| 2016-06-27 | Wimbledon | R32 | grass | Simona Halep | 6-4 6-3 |
| 2012-04-23 | Fes | SF | clay | Kiki Bertens | 6-3 6-4 |
| 2010-10-11 | Torhout 100K | QF | hard | Simona Halep | 7-6(2) 6-2 |
Averages over each player's completed matches in the selected window (110 vs 181). 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