Stadium: Center Court A Round: 26 Ground: Hardcourt outdoor
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/07 00:30 | Sekiguchi, Shuichi v Masamichi Imamura | 7-6,1-6,6-0 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/04 02:00 | Rio Noguchi v Sekiguchi, Shuichi | 4-6,7-5,6-2 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/03 01:00 | Yuki Mochizuki v Sekiguchi, Shuichi | 6-0,2-6,3-6 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/02 01:00 | Sekiguchi, Shuichi v Daisuke Sumizawa | 7-6,7-6 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/01 05:30 | Sekiguchi, Shuichi v Takeuchi, Kento (1987) | 6-2,6-4 |
| 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 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/07 00:25 | Takada, Mao v Taki Adachi | 3-6,2-6 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/01 01:00 | Taki Adachi v Ko Suzuki | 0-6,1-6 |
| ITF - M15 Anseong | 2022/08/16 02:50 | Haesun Lee v Taki Adachi | 7-5,6-2 |
| ITF M15 Fountain Valley | 2022/07/04 17:00 | Taki Adachi v Jared Thompkins | 2-6,1-6 |
| Harmon, Singles Main, M-ITF-GUM-02A | 2022/06/08 02:00 | Taki Adachi v Kim, Cheong-Eui | 0-6,3-6 |
| Harmon, Singles Main, M-ITF-GUM-02A | 2022/06/08 01:30 | Taki Adachi v Cheong E Kim | 0-6,3-6 |
| Harmon, Singles Main, M-ITF-GUM-02A | 2022/06/06 00:00 | William Alan Yang v Taki Adachi | 3-6,1-6 |
| Harmon, Singles Main, M-ITF-GUM-02A | 2022/05/30 02:20 | William Alan Yang v Taki Adachi | 0-6,2-6 |