Gouichi Motomura defeated Yaoki Ishii 6-3 6-3 in the Japan F1 qualifying round on clay. Gouichi Motomura extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-24 | Japan F4 | R16 | hard | Gouichi Motomura | 6-3 6-2 |
| 1999-03-24 | Japan F2 | SF | carpet | Yaoki Ishii | 4-6 7-6 6-4 |
Averages over each player's completed matches in the selected window (24 vs 4). 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