"Both of her feet are in the air"
"She is going to hit the ball"
"The lady is playing tennis"
"She is playing on a tennis court"
"Her racket is raised"
girl on tennis court
girl swinging tennis racket
girl swinging at tennis ball
Picture was taken during a tennis match. 
girl playing tennis
female tennis player hitting a ball with racket, tennis player playing tennis, jumping to return it on court