| Masters di Spagna | 03/28 11:55 | 4 | Tzu Wei Wang v Koo Takahashi | L | 2-1 | |
| Masters di Spagna | 03/27 18:30 | 5 | Koo Takahashi v Srikanth Kidambi | W | 2-0 | |
| Masters di Spagna - Qual. | 03/26 11:30 | - | Alvaro Vazquez v Koo Takahashi | W | 1-2 | |
| Masters di Spagna - Qual. | 03/26 09:00 | 4 | Koo Takahashi v Ade Resky Dwicahyo | W | 2-0 | |
| Open di Svizzera - Qual. | 03/19 10:10 | 4 | Alwi Farhan v Koo Takahashi | L | 2-0 | |
| Masters d'Orleans | 03/17 12:25 | 1 | Koo Takahashi v Yushi Tanaka | L | 0-2 | |
| Masters d'Orleans | 03/16 16:00 | 2 | Yu Jen Chi v Koo Takahashi | W | 0-2 | |
| Masters d'Orleans | 03/15 16:30 | 3 | June Wei Cheam v Koo Takahashi | W | 0-2 | |
| Masters d'Orleans | 03/14 14:55 | 4 | Mads Christophersen v Koo Takahashi | W | 0-2 | |
| Masters d'Orleans | 03/13 19:05 | 5 | Koo Takahashi v Daniil Dubovenko | W | 2-1 | |
| Giappone - Masters - Qual. | 11/14 03:05 | - | Koo Takahashi v Hyeok Jin Jeon | L | 0-2 | |
| Giappone - Masters - Qual. | 11/14 02:00 | 4 | Kantaphon Wangcharoen v Koo Takahashi | - | Walkover |