Ground: Hardcourt outdoor
| ITF Japan F1 | 2015/03/12 01:00 | Niki, Takuto v Sasai, Masaki | 6-2,6-1 |
| ITF Japan F8 | 2014/06/25 01:00 | Niki, Takuto v Sasai, Masaki | 3-6,1-6 |
| ITF Japan F5 | 2014/06/03 01:00 | Niki, Takuto v Sasai, Masaki | 6-4,6-4 |
| ITF Japan F2 | 2015/03/17 03:00 | Niki, Takuto v Pancaldi, Luca | 7-6,6-4 |
| ITF Japan F1 | 2015/03/14 02:00 | Niki, Takuto v Ito, Yuichi | 7-6,6-3 |
| ITF Japan F1 | 2015/03/13 01:00 | Niki, Takuto v Chaplin, Jarryd | 7-6,6-3 |
| ITF Japan F1 | 2015/03/12 01:00 | Niki, Takuto v Sasai, Masaki | 6-2,6-1 |
| ITF Japan F1 | 2015/03/11 01:00 | Niki, Takuto v Shintaro Imai | 5-7,7-6,6-4 |
| Challenger Traralgon | 2014/10/28 23:00 | Luke Saville v Niki, Takuto | 6-1,6-3 |
| Challenger Traralgon | 2014/10/28 02:10 | Yang, Tsung-Hua v Niki, Takuto | 0-6,5-7 |
| ITF Australia F8 | 2014/10/15 00:00 | Niki, Takuto v Christopher O'Connell | 2-6,3-6 |
| ITF Japan F2 | 2015/03/17 04:10 | Sasai, Masaki v Onozawa, Arata | 6-4,6-4 |
| ITF Japan F2 | 2015/03/15 01:00 | Sasai, Masaki v Issei Okamura | 6-3,6-0 |
| ITF Japan F1 | 2015/03/12 01:00 | Niki, Takuto v Sasai, Masaki | 6-2,6-1 |
| ITF Japan F1 | 2015/03/10 01:00 | Sasai, Masaki v Moritani, Soichiro | 6-1,7-5 |
| ITF Japan F8 | 2014/06/26 04:35 | Sasai, Masaki v Watanuki, Keisuke | 3-6,1-6 |
| ITF Japan F8 | 2014/06/25 01:00 | Niki, Takuto v Sasai, Masaki | 3-6,1-6 |
| ITF Japan F8 | 2014/06/22 03:00 | Sasai, Masaki v Habusawa, Tetsuro | 6-1,6-0 |
| ITF Japan F7 | 2014/06/19 01:00 | Mclachlan, Ben v Sasai, Masaki | 6-3,6-4 |