Aus Open: Day 13 in pictures

An upset....Germany's Angelique Kerber celebrates after winning her Women's singles final against Serena Williams of the U.S., at Melbourne Park, on Saturday. The seventh seed Kerber triumphed 6-4 3-6 6-4, denying the defending champion a 22nd major title and a seventh Australian Open crown   -  REUTERS

Passing the baton...Kerber is presented with the Daphne Akhurst Trophy.   -  Getty Images

Kerber and Williams are seen walking through the Walk of Champions before their final   -  Getty Images

Champagne moment... Kerber is all smiles as she holds a drink while standing beside the women's singles trophy at the pre-match press conference.   -  REUTERS

Britain's Jamie Murray (left) and Brazil's Bruno Soares celebrate with the men's doubles trophy after overcoming Czech veteran Radek Stepanek and Canadian Daniel Nestor 2-6, 6-4, 7-5.   -  REUTERS

Strategising... Murray and Soares in action during the final.   -  Getty Images

Andy Murray (centre) turned up to watch the trophy presentation and film it on his phone — despite the fact it was 1:00 am and he is playing the singles final on Sunday evening.

Cusp of history... Should Andy beat world number one Djokovic in Sunday’s men’s final, he and Jamie will become the first brothers to both the men’s singles and doubles titles at a Grand Slam in the Open era.