Round: 25 Ground: Hardcourt outdoor
| 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 Japan F7 | 2015/06/17 01:00 | Shunrou Takeshima v Katsuki Nagao | 6-7,3-6 |
| ITF Japan F6 | 2015/06/10 01:30 | Yosuke Watanuki v Katsuki Nagao | 7-6,6-7,6-4 |
| ITF USA F9 Qual | 2016/02/26 19:00 | Fernando Yamacita v Rudy Richter | 4-6,6-3,6-0 |
| ITF USA F7 Qual | 2016/02/13 18:00 | Gonzales Austin v Fernando Yamacita | 6-4,6-3 |
| ITF USA F7 Qual | 2016/02/12 20:00 | Sam Riffice v Fernando Yamacita | 6-7,6-4,5-7 |
| ITF USA F5 | 2016/01/24 16:30 | William Grant v Fernando Yamacita | 4-6,7-5,7-5 |
| ITF USA F4 | 2016/01/18 16:00 | Isak Arvidsson v Fernando Yamacita | 6-1,6-3 |
| ITF USA F4 | 2016/01/17 16:00 | Fernando Yamacita v Joel Vincent Link | 6-4,6-4 |
| ITF USA F3 | 2016/01/13 16:00 | Kaichi Uchida v Fernando Yamacita | 7-5,6-0 |
| ITF USA F3 Qual | 2016/01/10 16:00 | Fernando Yamacita v Bernardo Saraiva | 6-4,6-3 |