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 Astana | 2017/07/18 05:00 | Dzmitry Zhyrmont v Shuichi Sekiguchi | 2-6,6-1,3-6 |
| Challenger Fergana | 2017/06/21 06:30 | Ilya Ivashka v Shuichi Sekiguchi | 6-2,6-2 |
| Challenger Fergana | 2017/06/19 06:00 | Shuichi Sekiguchi v Vladyslav Manafov | 6-4,3-6,7-5 |
| ITF Chinese Taipei F1 | 2017/06/13 03:25 | Tung-Lin Wu v Shuichi Sekiguchi | 6-4,6-2 |
| ITF Japan F7 | 2017/06/09 01:00 | Yosuke Watanuki v Shuichi Sekiguchi | 6-4,5-7,6-0 |
| ITF Japan F7 | 2017/06/07 06:40 | Yuki Matsuo v Shuichi Sekiguchi | 4-6,2-6 |
| ITF Japan F7 | 2017/06/05 04:10 | Hiroyasu Ehara v Shuichi Sekiguchi | 2-6,1-6 |
| ITF Japan F6 | 2017/05/31 01:00 | Gengo Kikuchi v Shuichi Sekiguchi | 6-4,6-2 |
| Challenger Astana Qual | 2017/07/15 05:10 | Daniiar Duldaev v Kento Takeuchi | 6-1,6-3 |
| ITF China F10 | 2017/06/30 02:00 | Kento Takeuchi v Yecong He | 3-6,2-6 |
| ITF China F10 | 2017/06/28 02:00 | Kento Takeuchi v Ruikai Wang | 6-2,6-2 |
| ITF China F10 | 2017/06/27 02:00 | Kento Takeuchi v Ang Ji | 6-3,6-1 |
| ITF Chinese Taipei F2 | 2017/06/20 03:50 | Tyler Lu v Kento Takeuchi | 6-4,6-1 |
| ITF Chinese Taipei F1 | 2017/06/16 02:00 | Kento Takeuchi v Tung-Lin Wu | 2-6,4-6 |
| ITF Chinese Taipei F1 | 2017/06/15 03:35 | Kento Takeuchi v Wei-De Lin | 6-4,6-4 |
| ITF Chinese Taipei F1 | 2017/06/14 02:00 | Kento Takeuchi v Yu Hsiang Chiu | 7-5,6-2 |