Updated On: 21 January, 2013 09:47 AM IST | | AFP
Defending champion Novak Djokovic said he'd be ready for his Australian Open quarter-final despite his five-hour struggle with Stanislas Wawrinka which finished in the early hours of Monday here
Last year, Djokovic recovered from a titanic semi-final with Andy Murray to win the longest title match in Grand Slam history, and said he could perform similar heroics in Tuesday's last-eight clash with Tomas Berdych.

It’s over at last: Novak Djokovic celebrates his victory over Stanislas Wawrinka at the Australian Open in Melbourne yesterday. Pic/AFP