Round: 62 Ground: Hardcourt outdoor
| ITF Japan F1 | 2016/03/05 01:00 | Yu Hsiang Chiu v Masaki Sasai | 7-5,3-6,4-6 |
| ITF Japan F8 | 2015/06/25 01:00 | Sho Katayama v Masaki Sasai | 6-3,6-1 |
| ITF Japan F7 | 2015/06/17 01:00 | Masaki Sasai v Ryota Tanuma | 1-6,3-6 |
| ITF Japan F6 | 2015/06/12 05:30 | Takuto Niki v Masaki Sasai | 6-2,6-1 |
| ITF Japan F6 | 2015/06/11 01:00 | Yosuke Watanuki v Masaki Sasai | 3-6,2-6 |
| ITF Japan F6 | 2015/06/10 03:10 | Masaki Sasai v Shuichi Sekiguchi | 7-6,7-5 |
| ITF Japan F5 | 2015/06/03 06:30 | Takashi Saito v Masaki Sasai | 6-0,6-2 |
| ITF Guam F1 | 2015/05/26 00:00 | Hiromasa Oku v Masaki Sasai | 6-1,6-1 |