John Isner

John Robert Isner (born 26 April 1985) is an American professional tennis player. Considered one of the best servers of the ATP World Tour, Isner achieved his career-high singles ranking of world no. 9 in April 2012, and is currently the highest ranked male American tennis player at world No. 12, as of 8 February 2016. In 2013, he became the 18th player to serve more than 5,000 aces on the ATP World Tour. He currently has 10th most aces in the history of ATP, having served more than 7,300 aces. At the 2010 Wimbledon Championships, he played the longest professional tennis match in history, defeating Nicolas Mahut in a total of 11 hours and 5 minutes of play over the course of three days. He also played the then 10th longest singles match, a 5-hour 41-minute encounter in the second round of the 2012 French Open.

Professional career

2007

Isner began his professional career in earnest in the summer of 2007. With a world ranking of no. 839, he needed wildcard entries into the main draws of every tournament, even at the Futures level.