Novak Djokovic of Serbia signs autographs after winning in his second round match against Leonardo Mayer of Argentina during day three of the 2014 Australian Open at Melbourne Park. Quinn Rooney / Getty Images
A fan tosses a tennis ball to get autographed on Wednesday.
Fans cool off from the intense Australian heat at a fountain in Melbourne Park on Wednesday.
A girl dumps a hat full of water over herself at the Australian Open on Wednesday.
Spanish fans display their flag at the Australian Open on Wednesday.
Casey Dellacqua of Australia, a local favourite, celebrates upset victory in the second round against the seeded Kirsten Flipkens of Belgium. Scott Barbour / Getty Images
Zheng Jie of China returns to Madison Keys of the US on Wednesday with part of the Melbourne skyline visible in the background. Franck Robichon / EPA
Line judges watch the men's singles match between Tommy Robredo of Spain and Julien Benneteau of France. Peter Kujundzic / Reuters
A fan in a green wig flashes the thumbs-up sign at the Australian Open on Wednesday.
A player cools off with a bag of ice during a match at the third day of the Australian Open.
View of an outside court at Melbourne park on Wednesday. Mast Irham / EPA
Leyton Hewitt, in blue, and his doubles partner Pat Rafter, to his left, shake hands with opponents Raven Klaasen, green and Eric Butorac, orange, after losing their doubles match on Wednesday.