Gouichi Motomura defeated Yaoki Ishii 6-3 6-2 in the Japan F4 round of 16 on hard. Gouichi Motomura extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-03-24 | Japan F2 | SF | carpet | Yaoki Ishii | 4-6 7-6 6-4 |
| 1999-03-17 | Japan F1 | QF | clay | Gouichi Motomura | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.