Kateryna Bondarenko defeated Jie Zheng 6-2 7-5 in the Pattaya round of 32 on hard. The upset overturned the form book — Jie Zheng came in leading the head-to-head 2–1, but Kateryna Bondarenko had been the form player, winning 4 of their last 8 on hard. Kateryna Bondarenko narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-01-19 | Australian Open | R32 | hard | Jie Zheng | 6-2 6-2 |
| 2008-03-10 | Indian Wells | R64 | hard | Jie Zheng | 6-2 6-4 |
| 2005-08-08 | Los Angeles | R32 | hard | Kateryna Bondarenko | 4-6 7-5 6-0 |
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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About