Marin Čilić is a Croatian professional tennis player known for his exceptional skills and career achievements, including a Grand Slam victory at the 2014 US Open.
Maureen Connolly was a trailblazing American tennis player who became the first woman to win all four Grand Slam titles in a calendar year.
Billie Jean King is a legendary American tennis player, women's rights advocate, and pioneer in the fight for gender equality in sports.