| ITF Korea F8 | 2016/08/22 02:30 | Jung-Woong Na v Hiromasa Oku | 4-6,6-1,6-0 |
| ITF Vietnam F8 | 2016/08/01 02:00 | Hiromasa Oku v Sora Fukuda | 2-6,3-6 |
| ITF Vietnam F8 | 2016/07/30 05:30 | Hiromasa Oku v Ansu Bhuyan | 5-7,6-4,7-5 |
| ITF Japan F8 | 2016/06/15 04:30 | Kazuki Nishiwaki v Hiromasa Oku | 2-6,6-3,6-4 |
| ITF Japan F7 | 2016/06/07 03:40 | Hiromasa Oku v Sho Katayama | 1-6,2-6 |
| ITF Japan F6 | 2016/06/02 01:00 | Hiromasa Oku v Yuya Kibi | 3-6,2-6 |
| ITF Japan F6 | 2016/05/31 01:00 | Takuto Niki v Hiromasa Oku | 2-6,3-6 |
| ITF Guam F1 | 2016/05/24 02:00 | Hiromasa Oku v Shunrou Takeshima | 3-6,2-6 |
| ITF Korea F8 | 2016/08/29 01:30 | Woo Hyeok Jang v Jeamoon Lee | 6-7,5-7 |
| ITF Korea F8 | 2016/08/27 02:00 | Jong-Min Choi v Jeamoon Lee | 4-6,2-6 |
| ITF Korea F8 | 2016/08/23 01:30 | Min-Kyu Song v Jeamoon Lee | 7-6,6-1 |
| ITF Korea F8 | 2016/08/22 01:30 | Masaki Sasai v Jeamoon Lee | 2-6,4-6 |
| ITF Korea F8 | 2016/08/21 02:00 | Chuanqi Su v Jeamoon Lee | 1-6,1-6 |
| ITF Korea F1 | 2016/06/15 04:50 | Yunseong Chung v Jeamoon Lee | 6-1,6-3 |
| ITF Korea F1 Qual | 2016/06/13 04:50 | Jae-Won Choi v Jeamoon Lee | 7-6,3-6,2-6 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | Ho-Min Kang v Jeamoon Lee | 1-6,6-2,1-6 |