But nothing could have prepared the man from North Carolina for the incredible events that were to unfurl in the fifth set the following day . John Isner tells CNN his match against Nicolas Mahut at Wimbledon was 'absolutely crazy ' American started to think that his 11-hour marathon would never finish . The US Open is the longest tennis tournament in history and it has been played since 1886. He lost his second round match in straight sets and is now resting back in U.S .
John Isner tells CNN his match against Nicolas Mahut at Wimbledon was 'absolutely crazy ' American started to think that his 11-hour marathon would never finish . The US Open is the longest tennis tournament in history and it has been played since 1886. He lost his second round match in straight sets and is now resting back in U.S .