| ITF Thailand F9 | 2015/06/25 03:00 | Shuichi Sekiguchi v Karunuday Singh | 6-0,6-2 |
| ITF China F14 | 2017/07/26 02:00 | Shuichi Sekiguchi v Zhaoyi Cao | 6-4,6-2 |
| Challenger Astana | 2017/07/20 07:40 | Shuichi Sekiguchi v Alexander Bublik | 3-6,5-7 |
| 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 China F14 | 2017/07/26 02:00 | Karunuday Singh v Shintaro Imai | 4-6,6-2,6-3 |
| ITF China F14 | 2017/07/25 04:35 | Karunuday Singh v Chengze Lyu | 6-4,6-2 |
| ITF China F13 | 2017/07/19 02:00 | Zhizhen Zhang v Karunuday Singh | 7-5,6-4 |
| ITF China F13 | 2017/07/17 04:00 | Su Hao Zhong v Karunuday Singh | 1-6,6-4,3-6 |
| ITF China F12 | 2017/07/10 05:45 | Karunuday Singh v Tung-Lin Wu | 3-6,6-7 |
| ITF China F11 | 2017/07/07 04:55 | Karunuday Singh v Zhe Li | 1-6,5-7 |
| ITF China F11 | 2017/07/05 02:00 | Xin Gao v Karunuday Singh | 3-6,2-6 |
| ITF China F11 | 2017/07/03 07:00 | Karunuday Singh v Zihao Xia | 7-6,6-3 |