| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-07-30 | Washington | R16 | hard | Andrea Petkovic | 2-6 6-4 6-2 |
| 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 |
| 2011-08-01 | San Diego | QF | hard | Andrea Petkovic | 6-2 6-1 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.