| Thailand Int. | 2023/03/08 08:10 | Yu Jen Chi v Koo Takahashi | L | 2-0 |
| Thailand Int. | 2023/03/07 10:40 | Koo Takahashi v Lim, Chong King | W | 2-0 |
| Estonie Int. - | 2023/01/13 17:30 | Koo Takahashi v Joran Kweekel | L | 1-2 |
| Estonie Int. - | 2023/01/13 09:10 | Christian Faust Kjaer v Koo Takahashi | W | 0-2 |
| Irish Open | 2022/11/17 12:20 | Koo Takahashi v Lucas Claerbout | L | 0-2 |
| Irish Open Qual | 2022/11/16 18:55 | Koo Takahashi v Valentin Singer | W | 2-0 |
| Irish Open Qual | 2022/11/16 12:30 | Koo Takahashi v Hailis, Christos | W | 2-0 |
| Irish Open Qual | 2022/11/16 10:10 | Koo Takahashi v Matthew Cheung | W | 2-0 |
| Taipei Open | 2023/06/21 02:15 | Su, L. Y. v Jhuo-Fu Liao | L | 2-0 |
| Taipei Open Qual | 2023/06/20 04:45 | Jhuo-Fu Liao v Kuan Lin Kuo | W | 2-1 |
| Taipei Open Qual | 2023/06/20 01:25 | Jhuo-Fu Liao v Max Weisskirchen | W | 2-0 |
| Austrian Open | 2023/05/26 11:20 | Jhuo-Fu Liao v Collins Valentine Filimon | L | 0-2 |
| Open de Slovénie | 2023/05/20 14:40 | Su, L. Y. v Jhuo-Fu Liao | L | 2-0 |
| Open de Slovénie | 2023/05/20 08:20 | Xiaodong Sheng v Jhuo-Fu Liao | W | 1-2 |
| Open de Slovénie - Qualif. | 2023/05/18 07:20 | Jhuo-Fu Liao v Karan Rajan Rajarajan | W | 2-0 |
| Open de Slovénie - Qualif. | 2023/05/17 13:40 | Jhuo-Fu Liao v Kuan Lin Kuo | W | 2-0 |