Round: 54 Ground: Synthetic outdoor
| ITF Japan F6 | 2016/05/31 01:00 | Masaki Sasai v Evan Song | 1-6,0-6 |
| ITF Guam F1 | 2016/05/27 04:25 | Masato Shiga v Masaki Sasai | 6-2,6-1 |
| ITF Japan F4 | 2016/03/30 01:00 | Masaki Sasai v Soonwoo Kwon | 1-6,2-6 |
| ITF Japan F4 | 2016/03/28 01:00 | Shintaro Imai v Masaki Sasai | 6-2,6-0 |
| ITF Japan F4 | 2016/03/27 03:00 | Teppei Uesugi v Masaki Sasai | 1-6,0-6 |
| ITF Japan F4 | 2016/03/26 04:00 | Yusei Fukuoka v Masaki Sasai | 2-6,1-6 |
| ITF Japan F3 | 2016/03/19 03:45 | Takashi Saito v Masaki Sasai | 4-6,7-5,7-5 |
| ITF Japan F2 | 2016/03/12 02:00 | Kousuke Ogura v Masaki Sasai | 6-2,6-1 |
| ITF Guam F1 | 2016/05/25 01:00 | Andrew Whittington v Koichi Sano | 6-4,6-2 |
| ITF Guam F1 | 2016/05/23 01:45 | Koichi Sano v Winter Meagher | 6-1,6-2 |
| ITF Japan F5 | 2016/04/04 01:30 | Ken Onishi v Koichi Sano | 6-1,6-0 |
| ITF Japan F5 | 2016/04/03 03:30 | Arvid Nordquist v Koichi Sano | 3-6,6-4,3-6 |
| ITF Japan F1 | 2016/03/05 01:00 | Yuga Tashiro v Koichi Sano | 6-2,3-6,6-3 |
| ITF Japan F8 | 2015/06/24 01:10 | Ju-Hae Moon v Koichi Sano | 6-1,6-3 |
| ITF Japan F8 | 2015/06/21 00:00 | Koichi Sano v David Barclay | 3-6,6-3,6-4 |
| ITF Japan F7 | 2015/06/18 02:15 | Hiroyasu Ehara v Koichi Sano | 6-1,6-3 |