
Kiki Bertens defeated Aryna Sabalenka 7-6 6-2 in the St. Petersburg semi-final on hard. The result followed the form book — Kiki Bertens came in leading the head-to-head 4–2, defending last year's round of 32. Kiki Bertens extended the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-07 | Fed Cup QLS R1: BLR vs NED | RR | clay | Kiki Bertens | 6-4 6-4 |
| 2019-10-22 | Zhuhai | F | hard | Aryna Sabalenka | 6-4 6-2 |
| 2019-09-23 | Wuhan | R16 | hard | Aryna Sabalenka | 6-1 7-6(9) |
| 2019-06-24 | Eastbourne | QF | grass | Kiki Bertens | 6-4 3-6 6-4 |
| 2018-05-28 | Roland Garros | R128 | clay | Kiki Bertens | 6-2 6-1 |
| 2017-02-11 | Fed Cup WG R1: BLR vs NED | RR | hard | Kiki Bertens | 3-6 7-6(6) 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (108 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Sabalenka A.: 9 days rest · 3 matches (14d). Higher means fresher. About