Round: 44 Ground: Hardcourt outdoor
| ITF Japan F5 | 2015/06/03 06:30 | Saito, Takashi v Sasai, Masaki | 6-0,6-2 |
| ITF Japan F3 | 2015/03/24 03:10 | Saito, Takashi v Sasai, Masaki | 4-6,6-4,6-4 |
| ITF Japan F2 | 2016/03/15 02:45 | Saito, Takashi v Soonwoo Kwon | 3-6,4-6 |
| ITF Japan F1 | 2016/03/12 01:00 | Saito, Takashi v Huang, Liang-Chi | 1-6,4-6 |
| ITF Japan F1 | 2016/03/10 04:30 | Kim, Young Seok v Saito, Takashi | 4-6,2-6 |
| ITF Japan F6 | 2015/06/13 01:00 | Saito, Takashi v Duckhee Lee | 2-6,3-6 |
| ITF Japan F6 | 2015/06/12 05:30 | Saito, Takashi v Takeuchi, Kento (1987) | 6-4,6-2 |
| ITF Japan F6 | 2015/06/11 01:00 | Watanuki, Yusuke v Saito, Takashi | 6-3,6-7,3-6 |
| ITF Japan F6 | 2015/06/09 04:00 | Mclachlan, Ben v Saito, Takashi | 5-7,4-6 |
| ITF Japan F5 | 2015/06/06 03:00 | Saito, Takashi v Oku, Hiromasa | 6-3,6-1 |
| ITF Japan F2 | 2016/03/12 02:00 | Kousuke Ogura v Sasai, Masaki | 6-2,6-1 |
| ITF Japan F1 | 2016/03/10 01:00 | Sekiguchi, Shuichi v Sasai, Masaki | 6-3,6-0 |
| ITF Japan F1 | 2016/03/06 01:00 | Yuki Mochizuki v Sasai, Masaki | 6-7,4-6 |
| ITF Japan F1 | 2016/03/05 01:00 | Chiu, Yu Hsiang v Sasai, Masaki | 7-5,3-6,4-6 |
| ITF Japan F8 | 2015/06/25 01:00 | Katayama, Sho v Sasai, Masaki | 6-3,6-1 |
| ITF Japan F7 | 2015/06/17 01:00 | Sasai, Masaki v Tanuma, Ryota | 1-6,3-6 |
| ITF Japan F6 | 2015/06/12 05:30 | Niki, Takuto v Sasai, Masaki | 6-2,6-1 |
| ITF Japan F6 | 2015/06/11 01:00 | Yosuke Watanuki v Sasai, Masaki | 3-6,2-6 |