Round: 25 Ground: Hardcourt outdoor
| 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 |
| ITF Japan F7 | 2015/06/18 02:00 | Ryota Tanuma v Katsuki Nagao | 6-3,6-1 |
| ITF Thailand F9 | 2015/08/11 05:25 | Hiroka Kondo v Chayanon Kaewsuto | 6-3,6-7,2-6 |
| ITF Thailand F9 | 2015/08/04 03:00 | Ti Chen v Hiroka Kondo | 2-6,7-6,7-6 |
| ITF China F11 | 2015/07/20 04:10 | Hiroka Kondo v Young Seok Kim | 6-7,1-6 |
| ITF China F10 | 2015/07/14 02:00 | Kittiphong Wachiramanowong v Hiroka Kondo | 6-7,6-2,6-1 |
| ITF Thailand F9 | 2015/06/25 04:50 | Kittiphong Wachiramanowong v Hiroka Kondo | 6-4,6-3 |
| ITF Thailand F9 | 2015/06/24 04:30 | Issei Okamura v Hiroka Kondo | 1-6,2-6 |
| ITF Thailand F9 | 2015/06/18 03:00 | Kento Takeuchi v Hiroka Kondo | 6-0,7-6 |
| ITF Japan F6 | 2015/06/09 07:00 | Hiroka Kondo v Yusuke Takahashi | 3-6,3-6 |