Ground: Hardcourt outdoor
| ITF Japan F8 | 2014/06/26 04:35 | Masaki Sasai v Keisuke Watanuki | 3-6,1-6 |
| ITF Japan F8 | 2014/06/25 01:00 | Takuto Niki v Masaki Sasai | 3-6,1-6 |
| ITF Japan F8 | 2014/06/22 03:00 | Masaki Sasai v Tetsuro Habusawa | 6-1,6-0 |
| ITF Japan F7 | 2014/06/19 01:00 | Ben Mclachlan v Masaki Sasai | 6-3,6-4 |
| ITF Japan F7 | 2014/06/17 01:00 | Masaki Sasai v Soichiro Moritani | 6-1,1-6,6-4 |
| ITF Japan F6 Qual | 2014/06/08 07:30 | Masaki Sasai v Atsushi Ushida | 1-6,3-6 |
| ITF Japan F5 | 2014/06/03 01:00 | Takuto Niki v Masaki Sasai | 6-4,6-4 |
| ITF Guam F1 | 2014/05/27 00:00 | Masaki Sasai v Shunrou Takeshima | 4-6,2-6 |
| ITF Turkey F1 | 2015/01/08 08:00 | Hugo Nys v Arata Onozawa | 6-1,6-2 |
| ITF Turkey F1 | 2015/01/07 08:00 | Gleb Alekseenko v Arata Onozawa | 4-6,4-6 |
| ITF Australia F7 | 2014/10/05 23:00 | Mitchell Krueger v Arata Onozawa | 6-2,6-4 |
| ITF Australia F6 | 2014/09/29 00:30 | Daniel Hobart v Arata Onozawa | 6-7,6-4,6-4 |
| ITF Chinese Taipei F1 | 2014/08/22 02:00 | Liang-Chi Huang v Arata Onozawa | 6-1,6-4 |
| ITF Chinese Taipei F1 | 2014/08/19 03:50 | Hao-Yang Hu v Arata Onozawa | 4-6,0-6 |
| ITF Hong Kong F3 | 2014/07/21 02:00 | Anthony Jackie Tang v Arata Onozawa | 4-6,0-6 |
| ITF Hong Kong F2 | 2014/07/17 02:00 | Evan Song v Arata Onozawa | 6-1,6-0 |