Kei Nishikori becomes first Japanese man in 80 years to reach Australian Open last eight . He is the first Japanese male player to reach the last eight of one of the four majors since Shuzo Matsuoka at Wimbledon in 1995 . The 24th seed registers a shock win against French sixth seed Jo-Wilfried Tsonga . Djokovic wins his third straight match on Centre Court and moves into the top 10 for the first time since 2009. Top seed Novak Djokovic also through with win against Australia 's Lleyton Hewitt .
Kei Nishikori becomes first Japanese man in 80 years to reach Australian Open last eight . The 24th seed registers a shock win against French sixth seed Jo-Wilfried Tsonga . Djokovic wins his third straight match on Centre Court and moves into the top 10 for the first time since 2009. Top seed Novak Djokovic also through with win against Australia 's Lleyton Hewitt .