Klara Koukalova defeated Su Wei Hsieh 6-3 6-7 6-1 in the Tokyo round of 64 on hard. The upset overturned the form book — Su Wei Hsieh came in leading the head-to-head 2–0. Klara Koukalova claimed a first win over Su Wei Hsieh in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-26 | US Open | R128 | hard | Su Wei Hsieh | 6-3 6-3 |
| 2008-01-14 | Australian Open | R128 | hard | Su Wei Hsieh | 2-6 6-4 8-6 |
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 (76 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About