Satoshi Iwabuchi defeated Michihisa Onoda 6-2 6-4 in the Japan F4 round of 16 on hard. Satoshi Iwabuchi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-06 | Japan F7 | F | hard | Satoshi Iwabuchi | 6-1 4-6 6-4 |
| 2002-04-22 | Japan F3 | F | carpet | Michihisa Onoda | 7-6(6) 6-2 |
Averages over each player's completed matches in the selected window (11 vs 1). 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. Small sample — read as indicative. About