Napaporn Tongsalee defeated Mi Yoo 6-7 7-5 6-2 in the Changwon 25K round of 16 on hard. The upset overturned the form book — Mi Yoo came in leading the head-to-head 1–0. Napaporn Tongsalee claimed a first win over Mi Yoo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-13 | Inchon 25K | R32 | hard | Mi Yoo | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.