Line on the ground. 
Taken on a tennis court. 
a man playing tennis
the dirt is reddish brown
man is holding a tennis racket
Tennis player on the court
Man serving a tennis ball
White lines on the court
white line across the tennis court
man holding a tennis racket
young man looking up
man wearing blue shirt
white line on the ground
man wearing shorts
man playing tennis in a blue and white shirt holds tennis racquet and racket while another man serves the ball from the court