Sara Errani defeated Kiki Bertens 6-4 6-4 in the Acapulco quarter-final on hard. The result followed the form book — Sara Errani came in leading the head-to-head 4–1, defending the title. Sara Errani extended the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-09-28 | Roland Garros | R64 | clay | Kiki Bertens | 7-6(5) 3-6 9-7 |
| 2016-08-08 | Olympics | R64 | hard | Sara Errani | 4-6 6-4 6-3 |
| 2014-03-31 | Charleston | R32 | clay | Sara Errani | 6-3 RET |
| 2013-01-28 | Paris | SF | carpet | Sara Errani | 5-0 RET |
| 2011-06-13 | 's Hertogenbosch | R32 | grass | Sara Errani | 7-6(6) 6-1 |
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