Round: 25 Ground: Hardcourt outdoor
| ITF Japan F3 | 2016/03/20 01:00 | Cheng-Yu Yu v Ryota Tanuma | 6-3,7-5 |
| ITF Japan F3 | 2016/03/19 03:45 | Tung-Lin Wu v Ryota Tanuma | 4-6,2-6 |
| ITF Japan F2 | 2016/03/12 00:30 | Ryota Tanuma v Shunrou Takeshima | 3-6,0-6 |
| ITF Japan F1 | 2016/03/10 02:40 | Ryota Tanuma v Yuya Kibi | 4-6,3-6 |
| ITF USA F5 | 2016/01/27 19:00 | Isak Arvidsson v Ryota Tanuma | 6-3,7-5 |
| ITF USA F4 | 2016/01/17 18:00 | Ryota Tanuma v Oliver Crawford | 1-6,4-6 |
| ITF USA F3 | 2016/01/14 15:00 | Kaichi Uchida v Ryota Tanuma | 6-3,6-2 |
| ITF USA F3 | 2016/01/13 18:00 | Raleigh Smith v Ryota Tanuma | 2-6,1-6 |
| ITF Japan F2 | 2016/03/18 03:20 | Shuichi Sekiguchi v Masaya Kobayashi | 3-6,2-6 |
| ITF Japan F2 | 2016/03/17 03:20 | Shuichi Sekiguchi v Sho Shimabukuro | 6-4,6-2 |
| ITF Japan F2 | 2016/03/15 03:40 | Shuichi Sekiguchi v Yuto Sakai | 6-3,6-1 |
| ITF Japan F1 | 2016/03/12 05:30 | Gengo Kikuchi v Shuichi Sekiguchi | 7-6,6-1 |
| ITF Japan F1 | 2016/03/12 01:00 | Shuichi Sekiguchi v Yuya Kibi | 6-4,6-3 |
| ITF Japan F1 | 2016/03/10 04:25 | Shuichi Sekiguchi v Sho Katayama | 7-5,7-6 |
| ITF Japan F1 | 2016/03/10 01:00 | Shuichi Sekiguchi v Masaki Sasai | 6-3,6-0 |
| Challenger Launceston | 2016/02/02 04:20 | Alex Bolt v Shuichi Sekiguchi | 6-3,6-4 |