Round: 28 Ground: Hardcourt outdoor
| ITF Japan F1 | 2016/03/12 01:00 | Niki, Takuto v Kikuchi, Gengo | 6-7,6-4,3-6 |
| ITF Japan F1 | 2016/03/10 01:00 | Kikuchi, Gengo v Ning, Yuqing | 6-3,6-3 |
| ITF Japan F1 | 2016/03/07 01:00 | Kikuchi, Gengo v Tashiro, Yuga | 6-1,4-6,6-1 |
| ITF Japan F1 | 2016/03/06 01:00 | Kikuchi, Gengo v Uesugi, Teppei | 6-2,6-0 |
| ITF Japan F5 | 2015/06/02 01:00 | Takeshima, Shunrou v Kikuchi, Gengo | 7-5,6-4 |
| ITF Guam F1 | 2015/05/31 01:00 | Kikuchi, Gengo v Suzuki, Takao | 3-6,3-6 |
| ITF Guam F1 | 2015/05/30 04:20 | Kikuchi, Gengo v Ko Suzuki | 6-2,6-3 |
| ITF Guam F1 | 2015/05/29 04:25 | Kelsey Stevenson v Kikuchi, Gengo | 2-6,3-6 |
| ITF Japan F1 | 2016/03/12 01:00 | Sekiguchi, Shuichi v Kibi, Yuya | 6-4,6-3 |
| ITF Japan F1 | 2016/03/10 04:25 | Sekiguchi, Shuichi v Katayama, Sho | 7-5,7-6 |
| ITF Japan F1 | 2016/03/10 01:00 | Sekiguchi, Shuichi v Sasai, Masaki | 6-3,6-0 |
| Challenger Launceston | 2016/02/02 04:20 | Alex Bolt v Sekiguchi, Shuichi | 6-3,6-4 |
| Challenger Shanghai | 2015/10/10 05:40 | Nikoloz Basilashvili v Sekiguchi, Shuichi | 6-4,6-2 |
| WTA Kuala Lumpur Qual | 2015/09/26 02:00 | Begemann, Andre v Sekiguchi, Shuichi | 2-6,6-2,6-3 |
| Challenger Kaohsiung Qual | 2015/09/20 06:50 | Sekiguchi, Shuichi v Yi, Chu-Huan | 4-6,4-6 |
| Challenger Granby | 2015/07/23 15:00 | Sekiguchi, Shuichi v Donati, Matteo | 4-6,1-6 |