Suchanun Viratprasert defeated Young Ja Choi 6-1 6-4 in the Nonthaburi 10K qualifying round on hard. Suchanun Viratprasert extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-02 | Seoul 25K | R16 | hard | Suchanun Viratprasert | 6-0 6-4 |
| 2000-08-07 | Nonthabuiri 10K | SF | hard | Young Ja Choi | 7-6(4) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.