Yasutaka Uchiyama defeated Arata Onozawa 6-4 6-4 in the Japan F8 qualifying round on clay. The result followed the form book — Yasutaka Uchiyama came in leading the head-to-head 4–0. Yasutaka Uchiyama extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-23 | Japan F3 | R32 | hard | Yasutaka Uchiyama | 6-3 6-2 |
| 2014-06-23 | Japan F8 | SF | clay | Yasutaka Uchiyama | 6-2 6-2 |
| 2012-06-25 | Japan F7 | SF | clay | Yasutaka Uchiyama | 2-6 6-1 7-6(6) |
| 2010-04-05 | Japan F4 | SF | hard | Yasutaka Uchiyama | 7-6(4) 6-0 |
Averages over each player's completed matches in the selected window (199 vs 41). 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