It was a good night for American women at the Australian Open as both Williams sisters and Madison Keys progressed into the second round.
In all, there were 13 Americans playing last night, six of whom advanced through the first round.
• Serena Williams started her campaign with a comprehensive victory over Tatjana Maria. Williams only lost two games as she overpowered the 31-year-old German. Her next opponent will be 2014 Wimbledon finalist Eugenie Bouchard.
• Venus Williams, unseeded at a Grand Slam for the first time in five years, defeated No.