WTA Australian Open, Day 5 Preview: Pliskova v Makarova, Bouchard v Garcia

There have been no upsets overnight in Melbourne for the women; one seed did fall in Casey Dellacqua, but she always faced an uphill struggle against Madison Keys.  Dellacqua started great, but Keys found her game to fly through the final two sets.  Petra Kvitova had another solid win against Mona Barthel, who put up…