Novak Djokovic out of the Australian Open after first round defeat . Australian Ana Ivanovic beats Australian world No.1 4-6 6-3 6-3 . Williams blames her loss on a `` tremendous amount of errors '' and it 's a Serbian team for me for the first time . '' In the men 's draw , Serena Williams sets up quarterfinal against old foe Stanislas Wawrinka .
Novak Djokovic out of the Australian Open after first round defeat . Australian Ana Ivanovic beats Australian world No.1 4-6 6-3 6-3 . Williams blames her loss on a `` tremendous amount of errors '' In the men 's draw , Serena Williams sets up quarterfinal against old foe Stanislas Wawrinka .