Round: 27 Ground: Hardcourt outdoor
| 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 |
| Challenger Shanghai | 2015/10/10 05:40 | Nikoloz Basilashvili v Shuichi Sekiguchi | 6-4,6-2 |
| 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 07:15 | Masaya Kobayashi v Finn Tearney | 6-2,7-6 |
| ITF Japan F1 | 2016/03/05 01:00 | Katsuki Nagao v Masaya Kobayashi | 6-2,2-6,6-3 |