Timea Bacsinszky defeated Karolina Pliskova 7-5 6-4 in the Montreal q32 on hard. The upset overturned the form book — Karolina Pliskova came in leading the head-to-head 2–1. Timea Bacsinszky narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-18 | Rome | R16 | clay | Karolina Pliskova | 6-1 7-5 |
| 2017-03-14 | Indian Wells | R16 | hard | Karolina Pliskova | 5-1 |
| 2015-05-11 | Rome | R64 | clay | Timea Bacsinszky | 6-4 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.