
Andrea Petkovic defeated Sloane Stephens 2-6 6-4 6-2 in the Washington round of 16 on hard. The upset overturned the form book — Sloane Stephens came in leading the head-to-head 3–1, defending last year's round of 32. Andrea Petkovic narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-11 | Cincinnati | R64 | hard | Sloane Stephens | 6-3 6-3 |
| 2013-10-07 | Linz | R16 | hard | Sloane Stephens | 7-6(1) 4-6 6-3 |
| 2013-06-24 | Wimbledon | R64 | grass | Sloane Stephens | 7-6(2) 2-6 8-6 |
| 2011-08-01 | San Diego | QF | hard | Andrea Petkovic | 6-2 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 (172 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About