Seung Hoon Ohuchi defeated Shao Xuan Zeng 7-5 6-3 in the Thailand F5 round of 32 on hard. The upset overturned the form book — Shao Xuan Zeng came in leading the head-to-head 1–0. Seung Hoon Ohuchi claimed a first win over Shao Xuan Zeng in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-07 | Thailand F4 | R16 | hard | Shao Xuan Zeng | 6-2 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.