Angelique Kerber defeated Karin Knapp 6-7 6-0 6-1 in the Cincinnati round of 64 on hard. The result followed the form book — Angelique Kerber came in leading the head-to-head 1–0, defending last year's final. Angelique Kerber extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-31 | US Open | R64 | hard | Angelique Kerber | 7-5 6-2 |
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 (198 vs 136). ATP, WTA & Challenger.