Tennis all-star Serena Williams doesn’t have time for self-doubt, particularly when it comes to her looks. Williams, 33, who is set to play against Vitalia Diatchenko, 25, at the U.S. Open on Monday, says she is totally secure in her appearance.
In what is being considered a stunning upset, a relatively unknown Japanese tennis player, Kei Nishikori, defeated the No.1 ranked Novak Djokovic in the 2014 U.S. Open tennis championship on Saturday – becoming the first Japanese man to reach a Grand Slam final in tennis history.
So exactly who is this hot up-and-comer? We’ve compiled five things to know about the guy who just seriously shook up the tennis world.