Isha Lakhani defeated Napaporn Tongsalee 2-6 6-3 6-4 in the Nakhon Ratchasima 10K qualifying round on hard. The upset overturned the form book — Napaporn Tongsalee came in leading the head-to-head 1–0, but Isha Lakhani had been the form player, winning 6 of their last 8 on hard. Isha Lakhani claimed a first win over Napaporn Tongsalee in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-08-18 | Colombo 10K | SF | clay | Napaporn Tongsalee | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.