
Tsvetana Pironkova defeated Sloane Stephens 6-2 6-1 in the Roland Garros round of 32 on clay. The upset overturned the form book — Sloane Stephens came in leading the head-to-head 3–0, defending last year's round of 16. Tsvetana Pironkova claimed a first win over Sloane Stephens in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-25 | Roland Garros | R32 | clay | Sloane Stephens | 6-4 6-1 |
| 2013-05-20 | Brussels | R32 | clay | Sloane Stephens | 6-3 2-6 6-3 |
| 2012-08-13 | Cincinnati | R64 | hard | Sloane Stephens | 6-4 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 (94 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About