Samantha Stosur defeated Sloane Stephens 6-3 3-6 6-0 in the Strasbourg semi-final on clay. The upset overturned the form book — Sloane Stephens came in leading the head-to-head 2–1, defending last year's round of 32. Samantha Stosur narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-05-07 | Madrid | R32 | clay | Sloane Stephens | 6-1 6-3 |
| 2015-08-03 | Washington | SF | hard | Sloane Stephens | 7-6(4) 6-0 |
| 2012-05-28 | Roland Garros | R16 | clay | Samantha Stosur | 7-5 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
Averages over each player's completed matches in the selected window (197 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About