Sloane Stephens defeated Tsvetana Pironkova 6-4 6-1 in the Cincinnati round of 64 on hard. The result followed the form book — Sloane Stephens came in leading the head-to-head 2–1, defending last year's round of 64. Sloane Stephens extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-05-23 | Roland Garros | R32 | clay | Tsvetana Pironkova | 6-2 6-1 |
| 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 |
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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About