AO Top 5 Photos, 1/20: Stosur's singles career comes to an end in Melbourne

Samantha Stosur

The Aussie fell to former doubles partner Anastasia Pavlyuchenkova in straight sets. The second-round loss closes out her colorful singles career. "I dreamed of winning a Grand Slam. To do what I've done, dreaming as a little kid is phenomenal," she said following the match."

Christopher O'Connell 

The Aussie wild card captured a massive upset over No. 13 seed Diego Schwartzman. His 7-6 (6), 6-4, 6-4 victory sees him into the third-round where he will face Maxime Cressy, a very winnable match for the Sydney native.

Aussie Fans Unite!

Court 3 was absolutely wild as the crowd got behind O'Connell and pushed him over the finish line. The 27-year-old is through to the third-round at a Slam for the first time in his career.

Alizé  Cornet

The Frenchwoman soared past 2020 Australian Open finalist Garbine Muguruza. Cornet chased down every ball and applied pressure on the No. 3 seed during her service games to grab a 6-3, 6-3 win.

Taylor Fritz

Fritz displayed more fiery tennis against his friend Frances Tiafoe to secure a 6-4, 6-3, 7-6 (5) win. However, after the final point the American started cramping which he said he's never in his life "cramped on a tennis court before."