Danai Udomchoke defeated Jan Vacek 6-4 7-5 in the US Open q32 on hard. The result followed the form book — Danai Udomchoke came in leading the head-to-head 1–0. Danai Udomchoke extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-08-28 | US Open | Q128 | hard | Danai Udomchoke | 6-4 6-3 |
Averages over each player's completed matches in the selected window (84 vs 23). 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