Napaporn Tongsalee defeated So Jung Kim 6-4 6-7 6-1 in the Nakhon Ratchasima 10K round of 16 on hard. The upset overturned the form book — So Jung Kim came in leading the head-to-head 1–0. Napaporn Tongsalee claimed a first win over So Jung Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-31 | Busan 50K | R32 | hard | So Jung Kim | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.