![Novak Djokovic rips his shirt off in celebration after eventually defeating Stanislas Wawrinka at the Australian Open.](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/EHRBY65MWBV6ZFJ6T4C7RBYH4M.jpg?smart=true&auth=4eeb18abd9e2f41a3e9d41855f5ce46f2ba6813b13e7fb5dced00092e9a9a918&width=400&height=225)
Novak Djokovic rips his shirt off in celebration after eventually defeating Stanislas Wawrinka at the Australian Open.
Novak Djokovic rips his shirt off in celebration after eventually defeating Stanislas Wawrinka at the Australian Open.
Australian Open: Djokovic wins five-hour epic against Wawrinka
David Ferrer and Nicolas Almagro set up a quarter-finals meeting while Maria Sharapova cruised to a 6-1 6-0 win over Kirsten Flipkens.