John Robert Isner (born April 26, 1985) is an American professional tennis player. He achieved his career-high singles ranking of world no. 9 on April 16, 2012, and is currently the highest-ranked male American tennis player. In 2013, he became the 18th player to serve more than 5000 aces. He currently has the 17th most aces in the history of the ATP, having served more than 5100 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 in then-10th (in singles) longest match - a 5 hour 41 minute encounter in the second round of the 2012 French Open.
Nicolas Pierre Armand Mahut (French pronunciation: [nikɔla may]; born 21 January 1982 in Angers, Maine-et-Loire) is a French tennis player. He is well known for having a penchant for grass court tennis, especially serve and volleying.Mahut had excellent junior results, winning the Orange Bowl in 1999 and the Wimbledon Boys' Singles in 2000, turning professional the same year. His career-high singles ranking is World No. 38, achieved in July 2014. Mahut was runner-up to Andy Roddick at the 2007 Queen's Club Championships, and runner-up that same year at the Hall of Fame Tennis Championships. Mahut is known for being part of the longest match in professional tennis history against John Isner in the first round of the 2010 Wimbledon Championships. He holds a number of tennis records and awards for the match, including the most points won in a single match (502) and most games won by a losing player (91). In June 2013, he won his first ATP singles title, winning the grass court tournament in 's-Hertogenbosch, and he followed it up in July by winning the Hall of Fame Tennis Championships in Newport, Rhode Island.Mahut is also a regular doubles player, reaching a career high of World No. 22 in July 2013. He has won doubles titles with Julien Benneteau, Arnaud Clément, and Édouard Roger-Vasselin, and in 2013 he and Michaël Llodra reached the final of the French Open.He is currently coached by former players Thierry Ascione and Nicolas Escudé.