Chiaki Okadaue defeated I Hsuan Hwang 6-3 7-6 in the Sydney 25K round of 32 on hard. The result followed the form book — Chiaki Okadaue came in leading the head-to-head 1–0. Chiaki Okadaue extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-02-01 | Burnie 25K | QF | hard | Chiaki Okadaue | 5-7 6-4 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.