| Surname | Name | Country | Age | Gender | Hand |
|---|---|---|---|---|---|
| Daniel | Taro | Japan | 33 | ATP | Right |
| Hibino | Nao | Japan | 31 | WTA | Right |
| Hontama | Mai | Japan | 26 | WTA | Right |
| Ishii | Sayaka | Japan | 20 | WTA | Right |
| Ito | Aoi | Japan | 21 | WTA | Right |
| Mochizuki | Shintaro | Japan | 22 | ATP | Right |
| Nishikori | Kei | Japan | 36 | ATP | Right |
| Nishioka | Yoshihito | Japan | 30 | ATP | Left |
| Osaka | Naomi | Japan | 28 | WTA | Right |
| Sakamoto | Rei | Japan | 19 | ATP | Right |
| Shibahara | Ena | Japan | 28 | WTA | Right |
| Trotter | James | Japan | 26 | ATP | Right |
| Uchijima | Moyuka | Japan | 24 | WTA | Right |
| Watanuki | Yosuke | Japan | 27 | ATP | Right |