Stadium: Sub Court B Round: 26 Ground: Hardcourt outdoor
| Sapporo, Singles Main, M-ITF-JPN-02A | 2023/09/05 04:20 | Sekiguchi, Shuichi v Hiroki Sakagawa | 6-3,6-2 |
| Zhangjiagang, China | 2023/08/28 10:15 | Sekiguchi, Shuichi v Jie Cui | 1-6,2-6 |
| Zhangjiagang, China | 2023/08/27 06:25 | Sekiguchi, Shuichi v Alcantara, Francis Casey | 7-5,6-3 |
| Challenger Zhuhai | 2023/08/22 07:00 | Dominik Palan v Sekiguchi, Shuichi | 7-6,5-7,6-2 |
| Challenger Zhuhai | 2023/08/21 03:00 | Sekiguchi, Shuichi v Kalovelonis, Markos | 7-6,2-6,6-4 |
| ITF M25 Astana | 2023/08/05 07:45 | Yusuke Takahashi v Sekiguchi, Shuichi | 6-4,6-4 |
| ITF M25 Astana | 2023/08/04 08:45 | Sekiguchi, Shuichi v Egor Agafonov | 7-6,6-1 |
| ITF M25 Astana | 2023/08/03 07:15 | Sekiguchi, Shuichi v S D Prajwal Dev | 6-7,7-5,6-0 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2023/09/05 03:25 | Chase Ferguson v Lennon-Roark Jones | 6-4,6-3 |
| ITF - M15 Nakhon Si Thammarat | 2023/08/28 04:50 | Chase Ferguson v Yuttana Charoenphon | 5-7,7-6,8-10 |
| ITF - M15 Nakhon Si Thammarat - Qualif. | 2023/08/27 05:15 | Chase Ferguson v Srirat, Tanakorn | 6-7,6-4,10-3 |
| ITF - M15 Nakhon Si Thammarat | 2023/08/23 05:05 | Maximus Jones v Chase Ferguson | 6-2,4-6,6-2 |
| ITF - M15 Nakhon Si Thammarat | 2023/08/21 04:05 | Chase Ferguson v Suphawat Saeoui | 7-5,6-2 |
| ITF - M15 Nakhon Si Thammarat | 2023/08/20 03:20 | Chase Ferguson v Credit Chaiyarin | 7-6,6-1 |
| ITF M15 Caloundra | 2023/07/31 00:00 | Chase Ferguson v Jayden Court | 4-6,3-6 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/21 02:00 | Arthur Weber v Chase Ferguson | 6-3,6-2 |