| ITF Korea F8 | 2016/08/29 02:30 | Sasai, Masaki v Kang, Ku Keon | 5-7,2-6 |
| ITF Korea F8 | 2016/08/22 01:30 | Sasai, Masaki v Jeamoon Lee | 2-6,4-6 |
| ITF Korea F8 | 2016/08/21 02:00 | Sasai, Masaki v 저우, 웨이보원 | 6-0,6-3 |
| Vietnam F8, Singles | 2016/08/02 02:00 | 홍, 승찬 v Sasai, Masaki | 6-1,6-1 |
| Vietnam F8, Singles | 2016/08/01 03:00 | Gong, Xiao v Sasai, Masaki | 6-7,4-6 |
| ITF Japan F8 | 2016/06/14 03:00 | 키쿠치, 겐고 v Sasai, Masaki | 7-5,6-4 |
| ITF Japan F7 Qual | 2016/06/05 01:00 | Sasai, Masaki v Sano, Koichi | 3-6,5-7 |
| ITF Japan F6 | 2016/05/31 01:00 | Sasai, Masaki v 송, 에반 | 1-6,0-6 |
| ITF Korea F8 | 2016/09/03 01:00 | 최, 재원 v Sin, Dong-Hak | 4-6,5-7 |
| ITF Korea F1 Qual | 2016/06/13 05:00 | Sin, Dong-Hak v Choi, Jong Min | 3-6,3-6 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | Sin, Dong-Hak v 유, 성운 | 6-3,6-2 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | Shin, Geon Ju v Sin, Dong-Hak | 7-6,4-6,4-6 |
| ITF USA F5 | 2016/01/22 16:30 | Sin, Dong-Hak v 베니테즈 차바리아가, 주안 마누엘 | 5-7,0-6 |
| ITF USA F4 | 2016/01/17 19:00 | 두 토이트, 리안 v Sin, Dong-Hak | 7-5,2-6,2-6 |
| ITF USA F4 | 2016/01/15 11:30 | 반 엠부르그, 제이크 v Sin, Dong-Hak | 4-6,6-7 |
| ITF USA F3 Qual | 2016/01/09 18:30 | Sin, Dong-Hak v Rimondini, Pietro | 4-6,2-6 |