Nungnadda Wannasuk defeated Melanie Klaffner 4-6 6-4 6-2 in the Dehra Dun $10K qualifying round on hard. The upset overturned the form book — Melanie Klaffner came in leading the head-to-head 1–0, but Nungnadda Wannasuk had been the form player, winning 2 of their last 5 on hard. Nungnadda Wannasuk claimed a first win over Melanie Klaffner in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-10 | Tanjung Selor 25K | R16 | hard | Melanie Klaffner | 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.