John Isner looks dejected in his men's singles second-round match against Paul-Henri Mathieu.
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PARIS (AP) -- Playing in another marathon match at a Grand Slam tournament, John Isner lost to Paul-Henri Mathieu 6-7 (2), 6-4, 6-4, 3-6, 18-16 in the second round of the French Open.
The match lasted 5 hours, 41 minutes. The last set alone took 2 hours, 28 minutes.
Isner won the longest match in tennis history two years ago, beating Nicolas Mahut 70-68 in the fifth set at Wimbledon.
Thursday's match was the second-longest by time in French Open history. The record is 6:33.