ボール選び

A professional male tennis player in his mid-30s, wearing modest tennis attire including a polo shirt and shorts, stands on a pristine hard court. He thoughtfully examines two distinct tennis balls held in his hands; one ball appears to have a more pronounced, fluffy felt texture, while the other looks smoother. The player's expression indicates deep consideration of his playstyle and the court surface. The tennis net is visible in the background under bright, even lighting. This is a high-quality professional photograph, safe for work, appropriate content, family-friendly, fully clothed, perfect anatomy, correct proportions, natural pose, well-formed hands, proper finger count, natural body proportions.

テニスボール素材の秘密を徹底解明!知るだけで劇的に変わるあなたのプレイ

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テニスボール、ただの丸いゴムとフェルトの ...