Round: 44 Ground: Hardcourt outdoor
| ITF Japan F3 | 2016/03/19 00:30 | Ryota Kishi v Nasa Hatakeyama | 6-2,6-3 |
| ITF Japan F2 | 2016/03/17 01:00 | Ryota Kishi v Masaya Kobayashi | 6-3,2-6,2-6 |
| ITF Japan F2 | 2016/03/15 02:10 | Ryota Kishi v Yuichi Ito | 7-6,6-4 |
| ITF Japan F2 | 2016/03/13 01:00 | Ryota Kishi v Kousuke Ogura | 7-6,7-5 |
| ITF Japan F2 | 2016/03/12 02:00 | Masato Shiga v Ryota Kishi | 4-6,1-6 |
| ITF Japan F1 | 2016/03/07 01:00 | Shintaro Imai v Ryota Kishi | 6-4,6-4 |
| ITF Japan F1 | 2016/03/06 01:00 | Kaito Uesugi v Ryota Kishi | 2-6,3-6 |
| ITF Turkey F5 | 2016/02/04 10:50 | Miliaan Niesten v Ryota Kishi | 7-5,6-0 |
| ITF Japan F2 | 2016/03/15 01:00 | Katsuki Nagao v Hiroka Kondo | 6-7,0-6 |
| ITF Japan F2 | 2016/03/13 01:00 | Katsuki Nagao v Ken Onoda | 6-3,5-7,6-4 |
| ITF Japan F1 | 2016/03/10 02:45 | Katsuki Nagao v Yusuke Watanuki | 1-6,6-2,1-6 |
| ITF Japan F1 | 2016/03/07 01:00 | Katsuki Nagao v Soichiro Moritani | 6-4,7-6 |
| ITF Japan F1 | 2016/03/05 01:00 | Katsuki Nagao v Masaya Kobayashi | 6-2,2-6,6-3 |
| ITF Japan F8 | 2015/06/27 01:00 | Yasutaka Uchiyama v Katsuki Nagao | 7-6,6-3 |
| ITF Japan F8 | 2015/06/25 04:25 | Hiroyasu Ehara v Katsuki Nagao | 4-6,3-6 |
| ITF Japan F8 | 2015/06/24 01:10 | Katsuki Nagao v Masaki Osafune | 6-3,6-0 |