| 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 Korea F1 Qual | 2014/04/30 01:00 | Cheong-Eui Kim v Masaki Sasai | 6-2,6-4 |
| ITF Korea F1 Qual | 2014/04/29 00:30 | Ku Keon Kang v Masaki Sasai | 3-6,2-6 |
| ITF Korea F1 Qual | 2014/04/21 02:00 | Min Hyeok Cho v Masaki Sasai | 6-0,6-2 |
| ITF Japan F7 | 2014/06/18 00:30 | Yuya Kibi v Tetsuro Habusawa | 6-1,6-4 |