
Mona Barthel defeated Sloane Stephens 6-3 7-6 in the Charleston round of 32 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. Mona Barthel narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-10-19 | Luxembourg | R32 | hard | Mona Barthel | 6-4 7-5 |
| 2015-08-17 | Cincinnati | R32 | hard | Sloane Stephens | 3-6 7-6(1) 6-2 |
| 2013-08-05 | Toronto | R32 | hard | Sloane Stephens | 6-3 4-6 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 (199 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Barthel M.: 6 days rest · 1 match, 18 games (7d). Higher means fresher. About