Nungnadda Wannasuk defeated Hee Sun Lyoo Suh 6-1 6-4 in the Bangkok qualifying round on hard. The upset overturned the form book — Hee Sun Lyoo Suh came in leading the head-to-head 1–0, but Nungnadda Wannasuk had been the form player, winning 3 of their last 8 on hard. Nungnadda Wannasuk claimed a first win over Hee Sun Lyoo Suh in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-08 | Manila 2 10K | R16 | clay | Hee Sun Lyoo Suh | 6-7(4) 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.