What is the longest final set in a tennis grand slam?

Answer 1

"In 1980, Borg won the longest-ever Wimbledon singles final to that time, 3 hours and 53 minutes (the record stood until 1982). That year, he also lost the longest-ever U.S. Open final to that time, 4 hours and 13 minutes (the record stood until 1988)." from http://www.all-about-tennis.com/bjorn-borg.html. Federer and Nadal's match in the Australian Open 2009 Finals was 4 hours and 23 minutes. On July 5, 2009, the Federer vs. Roddick final was the highest Singles Men's Final Score: 5-7, 7-6 (6), 7-6 (5), 3-6, 16-14 The match lasted 4 hours 18 minutes.

Note: At Wimbledon, there is NO TIE BREAK in the 5th set. Therefore play must continue until one player has a 2 game margin of victory.

Answer 2

The longest tennis set in history started Tuesday, June 22 and ended Thursday, June 24 at Wimbledon in 2010. John Isner of the USA beat Nicolas Mahut of France, 70-68, after a record-breaking 11-hour, 5-minute match. The match had to be postponed two nights when the sun went down and the players were still tied.

Answer 3

When John Isner defeated Nicholas Mahut in the 2010 Wimbledon 70-68 in the final set.

Answer 4

11 hours and 5 minutes.