Djokovic, Wawrinka, Nishikori and Raonic reach Australian Open quarterfinals

Australian Open 2015—Melbourne, Australia

Singles – Fourth Round
[1] Novak Djokovic (SRB) d. Gilles Muller (LUX) 64 75 75
[4] Stan Wawrinka (SUI) d. Guillermo Garcia-Lopez (ESP) 76(2) 64 46 76(8)
[5] Kei Nishikori (JPN) d. [9] David Ferrer (ESP) 63 63 63
[8] Milos Raonic (CAN) d. [12] Feliciano Lopez (ESP) 64 46 63 67(7) 63