Danielle Collins defeated Alizé Cornet to reach the semi-finals at Melbourne Park, where she will face seventh seed Iga Swiatek

Rafael Nadal was accused of receiving preferential treatment after he came through a five-set epic to beat Denis Shapovalov at Melbourne Park

Ashleigh Barty beat Jessica Pegula 6-2, 6-0 to reach the semi-finals at Melbourne Park, where she will face a resurgent Madison Keys

Stefanos Tsitsipas edged a five-set thriller against Taylor Fritz to stay on track for a semi-final showdown with second seed Daniil Medvedev

After winning a crucial tiebreak against Adrian Mannarino, Rafael Nadal will face Denis Shapovalov in the quarter-finals at Melbourne Park

Top seed Ashleigh Barty came through 6-4, 6-3 against Amanda Anisimova after her run of 63 consecutive service holds came to an end