| Name | KOUYAMA Kazuyuki |
| Country | Japan |
| prefectures | kyoto |
| Racket | Garaydia ALC |
| Rubber forehand | Spin Art |
| Rubber backhand | Evolution MX-S |
| Occupation | Working adult |
Match result
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| Name | KOUYAMA Kazuyuki |
| Country | Japan |
| prefectures | kyoto |
| Racket | Garaydia ALC |
| Rubber forehand | Spin Art |
| Rubber backhand | Evolution MX-S |
| Occupation | Working adult |