When a tennis player puts topspin on the ball (for example, by brushing the racquet upwards over the back of the ball during the shot), the ball spins forwards end-over-end after contact.

If you're a serious tennis player and you plan on playing three or four days a week, the Penn Championship tennis ball is an excellent choice. These extra-duty tennis balls are designed for harder ...

She's an aggressive stroke-maker, who uses her racket head speed to generate huge ... Two-time defending champion Aryna Sabalenka said the tennis balls felt "heavy." Mike Frey-Imagn Images Pegula ...