Top American Tennis Player
John Isner
John Isner is currently ranked world no. 19 in men’s singles by the Association of Tennis Professionals (ATP) and is considered one of the best servers on the ATP World Tour. He currently has the second-most aces in the history of the ATP World Tour, having served 10,757 aces.
At the 2010 Wimbledon Championships, he played the longest professional tennis match in the history of the day, defeating Nicolas Mahut in a total of 11 hours and 5 minutes of play over the course of three days.
