September 6, 2023 12:15 am Aryna Sabalenka may now be top ranked, but she is focused on U.S. Open Aryna Sabalenka, now the top ranked women’s tennis player in the world, is focused on the U.S. Open despite her rise in the rankings. US & World Videos 2:08 What color are tennis balls? 1:09 What is a ‘Golden Slam' in tennis? 0:46 Djokovic finally gets his Olympic gold medal 1:43 Team USA's Austin Krajicek secures silver in men's double tennis 2:57 US tennis stars on winning silver medals at men's doubles: ‘Experiences we'll never forget'