青いTシャツに黒いキャップをかぶった人がラケットでボールを打ち返している
A young man is swinging at a tennis ball white other people watch in the background,young man is playing tennis on court,holding racket and preparing to hit ball,he is in middle of swing,with ball slightly above his head,another person is in background,possibly watching or waiting to play,two tennis balls are present in scene