Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| Zhangjiagang, China | 2017/09/05 08:00 | Sekiguchi, Shuichi v Takeuchi, Kento (1987) | 6-4,6-3 |
| Hong Kong F4, Simples | 2016/12/22 23:00 | Sekiguchi, Shuichi v Takeuchi, Kento (1987) | 5-7,6-3,6-2 |
| ITF Thailand F9 | 2015/06/20 03:00 | Takeuchi, Kento (1987) v Sekiguchi, Shuichi | 1-6,2-6 |
| ITF Japan F2 | 2014/03/21 01:30 | Takeuchi, Kento (1987) v Sekiguchi, Shuichi | 1-6,3-6 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/01 01:00 | Sekiguchi, Shuichi v Yusuke Takahashi | 6-1,6-7,6-2 |
| ITF M15 Changwon | 2022/08/24 05:55 | Geni Inoue v Sekiguchi, Shuichi | 3-6,6-3,6-4 |
| ITF M15 Fountain Valley | 2022/07/09 19:40 | Zachary Svajda v Sekiguchi, Shuichi | 4-6,6-1,6-0 |
| ITF M15 Fountain Valley | 2022/07/08 16:50 | Yuta Kikuchi v Sekiguchi, Shuichi | 6-7,4-6 |
| ITF M15 Fountain Valley | 2022/07/07 16:55 | Ansari, Austin Ansari v Sekiguchi, Shuichi | 6-2,1-6,1-6 |
| ITF M15 Fountain Valley | 2022/07/06 18:45 | Jacob Bullard v Sekiguchi, Shuichi | 3-6,3-6 |
| Dallas, Singles Main, M-ITF-USA-18A | 2022/07/01 15:00 | Omni Kumar v Sekiguchi, Shuichi | 7-6,7-6 |
| Dallas, Singles Main, M-ITF-USA-18A | 2022/06/29 16:05 | Marcus Walters v Sekiguchi, Shuichi | 3-6,2-6 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/08/30 05:40 | Shion Motoyama v Takeuchi, Kento (1987) | 2-6,4-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/18 02:00 | Takeuchi, Kento (1987) v Shintaro Imai | 3-6,4-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/17 03:35 | Takeuchi, Kento (1987) v Son, Ji Hoon | 6-1,2-6,6-3 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/11 03:30 | S D Prajwal Dev v Takeuchi, Kento (1987) | 6-2,6-2 |
| Kuching, Singles Main, M-ITF-MAS-03A | 2022/08/03 01:00 | Takeuchi, Kento (1987) v Duckhee Lee | 4-6,4-6 |
| ITF M15 Kuala Lumpur | 2022/07/27 04:35 | Duckhee Lee v Takeuchi, Kento (1987) | 6-4,7-5 |
| ITF M15 Seremban | 2022/07/22 01:00 | Takeuchi, Kento (1987) v Daisuke Sumizawa | 1-6,4-6 |
| ITF M15 Seremban | 2022/07/21 02:50 | Takeuchi, Kento (1987) v Madhwin Kamath | 7-6,6-1 |