Danai Udomchoke defeated Gouichi Motomura 6-3 6-4 in the US Open q128 on hard. Danai Udomchoke extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-04-05 | Davis Cup G1 SF: THA vs JPN | RR | hard | Danai Udomchoke | 7-5 6-2 |
| 2001-02-09 | Davis Cup G1 QF: JPN vs THA | RR | hard | Gouichi Motomura | 6-3 6-2 |
Averages over each player's completed matches in the selected window (85 vs 10). 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