Arata Onozawa defeated Hsin Han Lee 6-1 6-4 in the Indonesia F1 qualifying round on hard. The result followed the form book — Arata Onozawa came in leading the head-to-head 2–0. Arata Onozawa extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-13 | Japan F6 | QF | hard | Arata Onozawa | 6-4 6-4 |
| 2008-06-16 | Japan F5 | R16 | carpet | Arata Onozawa | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.