Watch fans swarm the Aussie wild card after his thrilling victory over No. 11 seed Ernests Gulbis.
The 29-year-old Czech announces he is engaged to girlfriend Ester Satorova during an interview with Australia's Channel Seven.
Serena Williams says it's no secret, she's going after Steffi Graf's record of 22 Grand Slam titles won.
Andy Murray faced a tricky opponent on Day 1, but thanks to his court speed, he had the last laugh.
Not to be outdone by Thanasi Kokkinakis, Nick Kyrgios rallied the crowd with this trick shot on Day 1.
The world No. 2 shows her intensity on changeovers and talks game style and instinct in video campaigns.
The Swiss maestro turned up the style on these two points during his first round win in Melbourne.