| Name | DOI HIROKI |
| Country | Japan |
| prefectures | ibaragi |
| Racket | Cybershape Carbon CWT Truls Edition |
| Rubber forehand | HEXER POWERGRIP SFX |
| Rubber backhand | HEXER GRIP SFX |
| Occupation | Junior high school student |
| Name | DOI HIROKI |
| Country | Japan |
| prefectures | ibaragi |
| Racket | Cybershape Carbon CWT Truls Edition |
| Rubber forehand | HEXER POWERGRIP SFX |
| Rubber backhand | HEXER GRIP SFX |
| Occupation | Junior high school student |