Andre Agassi and Steffi Graf's son Jaden's girlfriend Catherine Holt recently shared a heartfelt birthday wish to her father, with a few adorable pictures online.

If you have any doubts about how big pickleball has become, just turn on your TV, and watch for the commercials.

Q. Who has the longest number 1 ranking in men's tennis? - + A. Novak Djokovic has a record of holding No. 1 for a record total of 428 weeks. Q. Who has won the most Grand Slam titles in a tennis ...