January 30, 2015: 4th seed Stan Wawrinka (SUI) in action in a Semifinals match against 1st seed Novak Djokovic (SRB) on day twelve of the 2015 Australian Open grand slam tennis tournament at Melbourne Park in Melbourne, Australia. Photo Sydney Low. Djokovic won 7-6(1) 3-6 6-4 4-6 6-0