5 longest Grand Slam tennis matches in history

#2 Wimbledon 2018 Semifinal- Kevin Anderson def. John Isner - 6 hours 35 minutes

John Isner and Kevin Anderson played out the longest ever semi-final in Grand Slam history, with coming out on top in an enthralling encounter which lasted 6 hours and 35 minutes.

Isner has been a part of a number of long encounters over the years and this was just another to add to his kitty.

Both the players did not break each other's serve in the first two sets. In the third set, they exchanged one break each with Isner coming out victorious in the tie-break. However, Anderson fought back to win the 4th set.

The 5th set did not see a single break of serve until the 50th game, with Anderson breaking Isner's serve.

Result: Kevin Anderson def. John Isner 7-6, 6-7, 6-7, 6-4, 26-24