Sania Mirza defeated Montinee Tangphong 6-4 6-4 in the New Delhi 25K round of 16 on hard. The upset overturned the form book — Montinee Tangphong came in leading the head-to-head 1–0, but Sania Mirza had been the form player, winning 2 of their last 5 on hard. Sania Mirza claimed a first win over Montinee Tangphong in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-06 | Jakarta 10K | SF | hard | Montinee Tangphong | 2-6 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.