| Masters d'Indonesia | 2023/10/26 11:15 | Prahdiska B Shujiwo v Koo Takahashi | W | 0-2 |
| Masters d'Indonesia | 2023/10/25 09:10 | Koo Takahashi v Rasindu Hendahewa | W | 2-0 |
| Kaohsiung Masters | 2023/09/26 11:20 | S.K. Karunakaran v Koo Takahashi | L | 2-0 |
| Open di Vietnam | 2023/09/15 08:00 | Koo Takahashi v Jia Heng Jason Teh | L | 0-2 |
| Open di Vietnam | 2023/09/14 07:45 | Jhuo-Fu Liao v Koo Takahashi | W | 1-2 |
| Open di Vietnam | 2023/09/13 09:40 | Koo Takahashi v Shogo Ogawa | W | 2-0 |
| Open di Vietnam | 2023/09/13 01:40 | Yu-Han Hsu v Koo Takahashi | W | 0-2 |
| Masters d'Indonesia | 2023/09/10 06:00 | Koo Takahashi v Kiran George | L | 0-2 |
| Masters d'Indonesia | 2023/10/26 11:25 | Joo Ven Soong v Takuma Obayashi | W | 1-2 |
| Masters d'Indonesia | 2023/10/25 11:25 | Ikhsan L I Rumbay v Takuma Obayashi | W | 1-2 |
| Kaohsiung Masters | 2023/09/28 07:30 | S.K. Karunakaran v Takuma Obayashi | L | 2-0 |
| Kaohsiung Masters | 2023/09/27 09:25 | Chi Ting Chen v Takuma Obayashi | W | 1-2 |
| Open di Vietnam | 2023/09/17 08:05 | Yu Kai Huang v Takuma Obayashi | L | 2-0 |
| Open di Vietnam | 2023/09/16 06:47 | Jia Heng Jason Teh v Takuma Obayashi | W | 1-2 |
| Open di Vietnam | 2023/09/15 07:40 | Saran Jamsri v Takuma Obayashi | W | 0-2 |
| Open di Vietnam | 2023/09/14 10:30 | Kim Sheng Chua v Takuma Obayashi | W | 0-2 |