| ITF Korea F1 | 2016/06/16 01:00 | Ju-Hae Moon v Young Seok Kim | 7-5,6-4 |
| ITF Korea F1 | 2016/06/15 01:00 | Sanhui Shin v Young Seok Kim | 4-6,0-6 |
| ITF Japan F4 | 2016/03/31 02:55 | Young Seok Kim v Yosuke Watanuki | 2-6,0-6 |
| ITF Japan F3 | 2016/03/24 03:15 | Young Seok Kim v Shuichi Sekiguchi | 2-6,0-6 |
| ITF Japan F3 | 2016/03/21 01:15 | Karunuday Singh v Young Seok Kim | 2-6,1-6 |
| ITF Japan F2 | 2016/03/15 04:25 | Young Seok Kim v Issei Okamura | 7-6,3-6,4-6 |
| ITF Japan F1 | 2016/03/10 04:30 | Young Seok Kim v Takashi Saito | 4-6,2-6 |
| ITF China F3 | 2016/03/05 05:00 | Enrique Lopez-Perez v Young Seok Kim | 6-4,7-6 |
| 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 Turkey F19 | 2016/05/13 09:20 | Marc Sieber v Hiromasa Oku | 6-0,6-3 |