Related Clues:

• Gp. that'll teach you how to serve
• Racket org
• Org. that dropped "Lawn" from its name in 1975
• Singles grp.?
• Court org
• Org. for Andy Murray
• Sports org. that publishes DEUCE magazine
• Arthur Ashe Kids' Day org
• Men's tennis org
• Org. for Nadal and Federer
• Org. with a national center named for Billie Jean King
• Org. for Rafael Nadal
• Venus's org
• Sports org. supported by 66-Down
• Org. for Djokovic