Wing Yau Venise Chan defeated Seiko Okamoto 6-2 6-3 in the Shenzhen 10K round of 16 on hard. The upset overturned the form book — Seiko Okamoto came in leading the head-to-head 1–0. Wing Yau Venise Chan claimed a first win over Seiko Okamoto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-11 | Chiang Mai 10K | R32 | hard | Seiko Okamoto | 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.