| Name | Koseki Takuma |
| Country | Japan |
| prefectures | saitama |
| Racket | FRANZISKA Innerforce ZLC |
| Rubber forehand | DIGNICS 05 |
| Rubber backhand | DIGNICS 80 |
| Occupation | High school student |
| Name | Koseki Takuma |
| Country | Japan |
| prefectures | saitama |
| Racket | FRANZISKA Innerforce ZLC |
| Rubber forehand | DIGNICS 05 |
| Rubber backhand | DIGNICS 80 |
| Occupation | High school student |