Round: 25 Ground: Hardcourt outdoor
| ITF Guam F1 | 2015/05/28 01:15 | Ken Onoda v Gengo Kikuchi | 4-6,6-7 |
| ITF China F7 | 2016/05/17 02:00 | Alexios Halebian v Gengo Kikuchi | 4-6,7-6,3-6 |
| ITF China F6 | 2016/05/12 02:00 | Gengo Kikuchi v Raymond Sarmiento | 5-7,3-6 |
| ITF China F6 | 2016/05/10 02:00 | Gengo Kikuchi v Xiao Gong | 7-5,6-4 |
| ITF Japan F5 | 2016/04/08 01:00 | Makoto Ochi v Gengo Kikuchi | 6-3,6-0 |
| ITF Japan F5 | 2016/04/06 03:10 | Gengo Kikuchi v Soichiro Moritani | 6-4,7-6 |
| ITF Japan F4 | 2016/03/28 01:00 | Gengo Kikuchi v Keisuke Watanuki | 2-6,7-5,6-7 |
| 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 F5 | 2016/04/03 02:00 | Ken Onoda v Yuta Kawahashi | 5-7,2-6 |
| ITF Japan F3 | 2016/03/20 02:30 | Keisuke Numajiri v Ken Onoda | 7-5,6-1 |
| ITF Japan F3 | 2016/03/19 01:00 | Shi Hong Zeng v Ken Onoda | 4-6,2-6 |
| ITF Japan F2 | 2016/03/13 01:00 | Katsuki Nagao v Ken Onoda | 6-3,5-7,6-4 |
| ITF Japan F1 | 2016/03/06 03:00 | Ken Onoda v Tung-Lin Wu | 3-6,4-6 |
| ITF Japan F1 | 2016/03/05 03:00 | Ken Onoda v Kousuke Ogura | 7-6,7-5 |
| ITF Turkey F6 | 2016/02/11 16:45 | Ken Onoda v Alexander Bublik | 1-6,6-7 |
| ITF Turkey F6 | 2016/02/09 08:00 | Ken Onoda v Anton Desyatnik | 6-1,6-1 |