At Wimbledon 2010, there was a recorbreaking match between Isner and Mahut. It is the longest match ever recorded, but there could have been longer matches that weren't recorded.
The match set several tennis records, including:
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The longest tennis match was just recently in the 2010 Wimbledon, between John Isner and Nicolas Mahut. The match had a total playing time of 11 hours, 5 minutes, and consisted of 183 games. The match was suspended due to the issue of light and continued the next day. John Isner eventually won, but lost in 3 straight sets in a match lasting about an hour and fifteen minutes.