| ITF Thailand F9 | 2015/05/05 04:25 | Onozawa, Arata v Makoto Ochi | 6-3,6-3 |
| ITF Thailand F9 | 2015/05/05 04:25 | Onozawa, Arata v Makoto Ochi | 6-3,6-3 |
| ITF Thailand F9 | 2015/05/03 03:00 | Patrombon, Jeson v Makoto Ochi | 5-7,1-6 |
| ITF Thailand F9 | 2015/05/02 03:00 | Klaoklang, Marut v Makoto Ochi | 0-6,0-6 |
| ITF Thailand F9 | 2015/04/29 06:15 | Makoto Ochi v Nam Hoang Ly | 5-7,2-6 |
| ITF Thailand F9 | 2015/04/28 05:35 | Wachiramanowong, Kittipong v Makoto Ochi | 6-7,3-6 |
| ITF Thailand F9 | 2015/04/25 06:30 | Makoto Ochi v Kelsey Stevenson | 7-5,7-6 |
| ITF Japan F3 | 2015/03/21 05:00 | Zhong, Su Hao v Makoto Ochi | 6-4,4-6,4-6 |
| ITF Japan F2 | 2015/03/20 03:45 | Yi, Chu-Huan v Makoto Ochi | 6-1,4-6,6-2 |
| ITF China F6 | 2015/05/26 07:20 | Onozawa, Arata v Gong, Peng-Xiang | 6-0,6-2 |
| ITF China F6 | 2015/05/20 02:00 | Onozawa, Arata v Qi, Xi | 4-6,1-6 |
| ITF Thailand F9 | 2015/05/06 03:00 | Onozawa, Arata v Burapharitta, Phassawit | 6-2,0-6,5-7 |
| ITF Thailand F9 | 2015/05/05 04:25 | Onozawa, Arata v Makoto Ochi | 6-3,6-3 |
| ITF Thailand F9 | 2015/04/29 04:55 | Sornbutnark, Warit v Onozawa, Arata | 6-3,6-2 |
| ITF Thailand F9 | 2015/04/28 07:15 | Shiga, Masato v Onozawa, Arata | 3-6,6-7 |
| ITF Japan F4 | 2015/03/30 05:00 | Onozawa, Arata v Sekiguchi, Shuichi | 4-6,4-6 |
| ITF Japan F3 | 2015/03/24 03:20 | Yasutaka Uchiyama v Onozawa, Arata | 6-3,6-2 |