Round: 62 Ground: Hardcourt outdoor
| ITF Japan F4 | 2016/03/26 00:00 | Gengo Kikuchi v Naoto Kai | 6-2,7-6 |
| ITF Japan F3 | 2016/03/22 01:00 | Duckhee Lee v Gengo Kikuchi | 4-6,6-1,6-2 |
| ITF Japan F3 | 2016/03/20 01:00 | Hiromasa Oku v Gengo Kikuchi | 2-6,1-6 |
| ITF Japan F2 | 2016/03/18 01:30 | Yunseong Chung v Gengo Kikuchi | 2-6,6-4,6-1 |
| ITF Japan F2 | 2016/03/16 02:30 | Gengo Kikuchi v Sora Fukuda | 7-5,6-3 |
| ITF Japan F2 | 2016/03/15 04:35 | Karunuday Singh v Gengo Kikuchi | 4-6,6-3,5-7 |
| ITF Japan F1 | 2016/03/13 02:00 | Gengo Kikuchi v Liang-Chi Huang | 5-7,5-7 |
| ITF Japan F1 | 2016/03/12 05:30 | Gengo Kikuchi v Shuichi Sekiguchi | 7-6,6-1 |
| ITF Japan F4 | 2016/03/27 01:00 | Yusuke Takahashi v Keisuke Watanuki | 4-6,3-6 |
| ITF Japan F3 | 2016/03/22 03:10 | Ken Onishi v Keisuke Watanuki | 2-6,6-2,7-5 |
| ITF Japan F3 | 2016/03/20 02:30 | Masato Shiga v Keisuke Watanuki | 4-6,6-2,3-6 |
| ITF Japan F3 | 2016/03/19 03:45 | Rigele Te v Keisuke Watanuki | 2-6,1-6 |
| ITF Japan F2 | 2016/03/15 04:30 | Keisuke Watanuki v Yuya Kibi | 2-6,6-4,1-6 |
| ITF Japan F2 | 2016/03/13 01:00 | Aoran Wang v Keisuke Watanuki | 0-6,4-6 |
| ITF Japan F2 | 2016/03/12 00:30 | Keisuke Numajiri v Keisuke Watanuki | 6-2,2-6,1-6 |
| ITF Japan F1 | 2016/03/10 02:35 | Takuto Niki v Keisuke Watanuki | 7-5,6-2 |