Lucie Safarova defeated Su Wei Hsieh 7-6 7-5 in the Prague quarter-final on clay. The result followed the form book — Lucie Safarova came in leading the head-to-head 3–1, defending last year's round of 32. Lucie Safarova extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-05-21 | Strasbourg | R16 | clay | Su Wei Hsieh | 6-2 6-3 |
| 2017-06-12 | Nottingham | R16 | grass | Lucie Safarova | 1-6 6-3 7-6(7) |
| 2017-02-20 | Budapest | R16 | clay | Lucie Safarova | 6-2 6-1 |
| 2015-06-29 | Wimbledon | R64 | grass | Lucie Safarova | 6-2 6-3 |
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 (109 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About