Rafael Nadal into quarterfinals of Australian Open . Eugenie Bouchard and Andy Murray to meet in women 's quarters . Nick Krygios wins 6-4 -set thriller against Nadal . The 5-7 4-6 6-3 7-6 8-6 victory earned him a quarterfinal against two-time grand slam champion Andy Murray . Australian hope will play Rafael Nadal in 21st .
Rafael Nadal into quarterfinals of Australian Open . Eugenie Bouchard and Andy Murray to meet in women 's quarters . Nick Krygios wins 6-4 -set thriller against Nadal . Australian hope will play Rafael Nadal in 21st .