After his match against Dent had finished, Djokovic was asked about the Isner-Mahut contest and said all the players were watching it in the locker rooms.

BBC: Wimbledon 2010: Epic halted at 59-59 in fifth set

But unlike his clash with Nicolas Mahut at Wimbledon 2010, Isner was beaten 6-7 (7-2) 6-4 6-4 3-6 18-16 in a grueling contest which lasted five hours and 41 minutes.

CNN: Nadal cruises as Murray battles back at French Open

Then, of course, there was the 11-hour, five-minute circus act, performed over three days, by John Isner and Nicolas Mahut at Wimbledon in 2010.

WSJ: A Little Night Tennis, Anyone?