Arata Onozawa defeated Yasutaka Uchiyama 6-4 7-6 in the Kyoto CH round of 32 on hard. The upset overturned the form book — Yasutaka Uchiyama came in leading the head-to-head 5–0. Arata Onozawa claimed a first win over Yasutaka Uchiyama in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-22 | Japan F8 | QF | clay | Yasutaka Uchiyama | 6-4 6-4 |
| 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 (45 vs 199). 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