There are three men posed at the net.
three tennis players on a court with rackes
A group of three men standing on top of a tennis court holding racquets.
Three people stand near a net as many tennis balls fly toward them. 
Two men holding tennis rackets up in a hand on either side of a man smiling, hugging a tennis racket to chest by tennis net on tennis course with many light green tennis balls in air in front of them and two balls on ground and "all play"sign behind.