Ground: Hardcourt outdoor
| ITF Turkey F2 | 2015/01/17 07:00 | Onozawa, Arata v 바투틴, 알렉세이 | 2-6,2-6 |
| ITF Turkey F2 | 2015/01/15 12:55 | Jankovic, Miki v Onozawa, Arata | 4-6,7-6,0-6 |
| ITF Turkey F1 | 2015/01/08 08:00 | 니스, 휴고 v Onozawa, Arata | 6-1,6-2 |
| ITF Turkey F1 | 2015/01/07 08:00 | Alekseenko, Gleb v Onozawa, Arata | 4-6,4-6 |
| ITF Australia F7 | 2014/10/05 23:00 | 크루에겔, 미트첼 v Onozawa, Arata | 6-2,6-4 |
| Australia F6, Singles | 2014/09/29 00:30 | 호바르트, 다니엘 v Onozawa, Arata | 6-7,6-4,6-4 |
| ITF Chinese Taipei F1 | 2014/08/22 02:00 | Huang, Liang-Chi v Onozawa, Arata | 6-1,6-4 |
| ITF Chinese Taipei F1 | 2014/08/19 03:50 | Hu, Hao-Yang v Onozawa, Arata | 4-6,0-6 |
| ITF Japan F1 | 2014/03/10 01:00 | Hashimoto, Taiki v 이마이, 신타로 | 2-6,1-6 |