Danai Udomchoke defeated Toshihide Matsui 6-4 6-4 in the Japan F9 semi-final 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 |
|---|---|---|---|---|---|
| 2010-10-18 | Japan F10 | QF | hard | Danai Udomchoke | 6-4 1-0 |
| 2008-09-28 | Tokyo | Q16 | hard | Danai Udomchoke | 6-2 6-7(5) 7-5 |
Averages over each player's completed matches in the selected window (24 vs 94). 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