Australian Open Results, day 9
Tennis | January 21, 2014 18:27 ISTMelbourne, Australia: Results Tuesday from the Australian Open at Melbourne Park (seedings in parentheses):Men's SinglesQuarterfinalsStanislas Wawrinka (8), Switzerland, def. Novak Djokovic (2), Serbia, 2-6, 6-4, 6-2, 3-6, 9-7.Tomas Berdych (7), Czech Republic, def. David Ferrer