John Isner of the United States won the longest tennis match in history on June 24, 2010 when he defeated France's Nicolas Mahut at Wimbledon. The first-round match took 11 hours and 5 minutes over three days, lasting so long it was suspended because of darkness--two nights in a row. Isner won the epic marathon 6-4, 3-6, 6-7 (7), 7-6 (3), 70-68.