| ITF Japan F7 | 2016/06/08 01:00 | Katsuki Nagao v Kento Takeuchi | 4-6,1-6 |
| ITF Japan F7 | 2016/06/07 01:00 | Ryotaro Matsumura v Katsuki Nagao | 4-6,4-6 |
| ITF Japan F6 | 2016/05/31 01:00 | Sho Katayama v Katsuki Nagao | 3-6,6-4,6-3 |
| ITF Guam F1 | 2016/05/23 00:00 | Katsuki Nagao v Yuya Kibi | 6-7,4-6 |
| ITF Turkey F19 | 2016/05/11 09:40 | Katsuki Nagao v Fernando Yamacita | 1-6,1-6 |
| ITF Turkey F18 | 2016/05/06 08:00 | Katsuki Nagao v Marc Sieber | 3-6,6-4,2-6 |
| ITF Turkey F18 | 2016/05/03 11:50 | Miliaan Niesten v Katsuki Nagao | 4-6,3-6 |
| ITF Turkey F17 | 2016/04/26 11:20 | Katsuki Nagao v Marc Sieber | 2-6,1-6 |
| ITF Japan F7 | 2016/06/08 01:00 | Yuichi Ito v Evan King | 3-6,6-7 |
| ITF Japan F7 | 2016/06/07 05:10 | Yuichi Ito v Hikaru Shiraishi | 6-1,6-0 |
| ITF Japan F6 | 2016/06/03 03:15 | Yuichi Ito v Shuichi Sekiguchi | 1-6,2-6 |
| ITF Japan F6 | 2016/06/01 01:00 | Kento Takeuchi v Yuichi Ito | 4-6,3-6 |
| ITF Japan F6 | 2016/05/31 02:25 | Nasa Hatakeyama v Yuichi Ito | 2-6,2-6 |
| ITF India F3 | 2016/05/11 05:00 | Vishnu Vardhan v Yuichi Ito | 7-6,7-6 |
| ITF India F3 | 2016/05/10 10:00 | Francis Casey Alcantara v Yuichi Ito | 6-7,7-5,3-6 |
| ITF India F1 | 2016/04/29 06:05 | David Agung Susanto v Yuichi Ito | 0-6,6-3,7-5 |