Danai Udomchoke defeated N Vijay Sundar Prashanth 3-6 6-3 7-6 in the India F4 round of 32 on hard. The result followed the form book — Danai Udomchoke came in leading the head-to-head 2–0. Danai Udomchoke extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-01-03 | Chennai | Q32 | hard | Danai Udomchoke | 6-4 6-2 |
| 2004-01-05 | Chennai | Q32 | hard | Danai Udomchoke | 6-0 6-0 |
Averages over each player's completed matches in the selected window (23 vs 138). 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