Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF Hong Kong F4 | 2016/12/22 23:00 | Shuichi Sekiguchi v Kento Takeuchi | 5-7,6-3,6-2 |
| ITF Thailand F9 | 2015/06/20 03:00 | Kento Takeuchi v Shuichi Sekiguchi | 1-6,2-6 |
| ITF Japan F2 | 2014/03/21 01:30 | Kento Takeuchi v Shuichi Sekiguchi | 1-6,3-6 |
| Challenger Seoul | 2017/05/09 04:00 | Duckhee Lee v Shuichi Sekiguchi | 6-0,6-3 |
| Challenger Seoul Qual | 2017/05/08 02:00 | Lloyd Glasspool v Shuichi Sekiguchi | 3-6,3-6 |
| Challenger Seoul Qual | 2017/05/07 04:20 | Makoto Ochi v Shuichi Sekiguchi | 1-6,1-6 |
| Challenger Seoul Qual | 2017/05/06 06:05 | Yu-Seob Kim v Shuichi Sekiguchi | 1-6,4-6 |
| Challenger Taipei | 2017/04/18 06:20 | Shuichi Sekiguchi v Franko Skugor | 1-6,4-6 |
| ITF China F5 | 2017/04/15 05:35 | Bradley Mousley v Shuichi Sekiguchi | 7-6,7-6 |
| ITF China F5 | 2017/04/13 05:05 | Tsung-Hua Yang v Shuichi Sekiguchi | 2-6,4-6 |
| ITF China F5 | 2017/04/11 06:50 | Yu Chang v Shuichi Sekiguchi | 1-6,5-7 |
| ITF China F7 | 2017/05/17 02:00 | Kento Takeuchi v Shintaro Imai | 2-6,4-6 |
| ITF China F7 | 2017/05/15 05:30 | Weibowen Zou v Kento Takeuchi | 4-6,1-6 |
| ITF China F6 | 2017/05/11 03:00 | Kento Takeuchi v Wishaya Trongcharoenchaikul | 5-7,3-6 |
| ITF China F6 | 2017/05/10 02:00 | Kento Takeuchi v Haitong Xia | 6-0,6-2 |
| ITF Indonesia F6 | 2017/04/11 05:30 | Kento Takeuchi v Jonathan Gray | 6-4,6-7,3-6 |
| ITF Indonesia F5 | 2017/04/07 03:00 | Max Purcell v Kento Takeuchi | 6-3,6-1 |
| ITF Indonesia F5 | 2017/04/06 03:00 | Yu Hsiang Chiu v Kento Takeuchi | 2-6,4-6 |
| ITF Indonesia F5 | 2017/04/05 04:55 | Lingxi Zhao v Kento Takeuchi | 2-6,6-4,4-6 |