Serena Williams is looking to win gold medal at the 2016 Rio Olympics amid Zika virus concerns
The 28-year-old left-hander beat Williams 6-4, 3-6, 6-4 to win her maiden grand slam title.
The 28-year-old German produced a stunning performance to win her first grand slam title.
Williams is seeking to equal Steffi Graf's open-era record of 22 grand slam titles in Melbourne.
Kerber wins 7-5 6-2 to deny Konta a place in her first grand slam final.
Defending champion continues her pursuit of a 22nd grand slam singles title in Melbourne semi-final.
The 34-year-old American took another significant step towards defending her title in Melbourne.
Williams and Sharapova renew their battle in its latest instalment for a place in the final four.
Roger Federer also sealed his spot with an easy win over David Goffin.
Federer beat Grigor Dimitrov in four sets, while Williams needed just 44 minutes to see off Daria Kasatkina.
Two-time Wimbledon champion Petra Kvitova was a surprise elimination on day 3.
The 21-year-old Brit has been beaten by world number 81 Damir Dzumhur in Melbourne.
The 28-year-old Scot has been pitted against the talented right-hander in Melbourne.
Williams was due to face Ukraine's Elina Svitolina in America's opening tie of the tournament in Perth.
Williams is first woman to be recognised with sportsperson of the year honour as an individual since 1983.
The American is honoured by the magazine after winning three grand slam titles in 2015.
Williams returned to competitive action for the first time since her shock defeat in the US Open.
Pirelli 2016 calendar drops its usual nude models for successful women from different walks of life
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The number 23 seed beat fellow Italian tennis star Roberta Vinci 7-6, 6-2.