Sung Hee Han defeated Nudnida Luangnam 6-3 3-6 7-6 in the Tarakan 10K qualifying round on hard. The upset overturned the form book — Nudnida Luangnam came in leading the head-to-head 2–0. Sung Hee Han claimed a first win over Nudnida Luangnam in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-07 | Tarakan 25K | SF | hard | Nudnida Luangnam | 2-6 6-3 6-4 |
| 2010-09-27 | Hamanako 25K | QF | carpet | Nudnida Luangnam | 7-5 6-2 |
Averages over each player's completed matches in the selected window (4 vs 70). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About