ATP tour player and Australian Open Winner. In my 14 years as a professional, I have won ATP 2 singles titles, 18 doubles titles, the 2019 Australian Open mixed doubles championsh...ip, and a silver medal in the 2016 Rio Olympics. Prior to that, I won an NCAA team title and individual doubles title at the University of Illinois. I have a career-high ranking of world number 56 in singles and world number 11 in doubles. Show more