Novak Djokovic eyes semi-final spot after great escape against Kevin Anderson
Defending champion edges past big-hitting South African as the top seeds battle it out for the last four places
Novak Djokovic, Roger Federer, Andy Murray and Stan Wawrinka can justify their status as Wimbledon's big four by making the semi-finals today.
Defending champion, top seed and 2011 winner Djokovic takes on US Open champion Marin Cilic boasting a 12-0 career lead over the Croatian.
Seven-time champion Federer faces Gilles Simon with the Frenchman playing in his maiden Wimbledon quarter-final while 2013 winner Murray, seeded three, is up against surprise quarter-finalist Vasek Pospisil of Canada.
This was one of the most difficult matches I've played at Wimbledon, maybe in my career. At times, I was really helpless with my return
Fourth seed Wawrinka tackles 2007 semi-finalist Richard Gasquet, the second Frenchman in the last-eight.
Djokovic survived a barrage from big-hitting South African Kevin Anderson to secure his seventh successive Wimbledon quarter-final yesterday.
The top seed came from behind to win 6-7 (6-8), 6-7 (6-8), 6-1, 6-4, 7-5 in a last-16 tie that had resumed yesterday after being suspended due to bad light on Monday at the end of the fourth set.
"I was two sets down. To come back and win in five definitely gives me great satisfaction and confidence for the next challenge," Djokovic said.