Agnieszka Radwanska defeated Karolina Pliskova 6-2 7-6 in the Stuttgart quarter-final on clay. The result followed the form book — Agnieszka Radwanska came in leading the head-to-head 2–1. Agnieszka Radwanska extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-08-14 | Cincinnati | R64 | hard | Karolina Pliskova | 6-3 6-3 |
| 2016-10-28 | Singapore | RR | hard | Agnieszka Radwanska | 7-5 6-3 |
| 2014-05-28 | Roland Garros | R64 | clay | Agnieszka Radwanska | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.