Reilly Opelka is the #1 ranked American male professional tennis player. At 6 feet 11 inches tall, he is tied (with Ivo Karlović) for the tallest-ever ATP-ranked player, and can serve in the low-140 mph range. He has been ranked as high as World No. 17 in singles by the ATP, which he achieved on February 28, 2022, and in doubles of world No. 89 on August 2, 2021. He has won three ATP singles titles and one doubles title. He is a junior Wimbledon champion.