“I just kind of really worked hard on having zero negative thoughts,” said the American after a breakthrough win.

The Day 5 slate features some incredible match-ups; here's how we're betting five of our favorites.

The seeds are about to collide in Australia, giving us some great, hard-to-call matches.

After a photo of the ripped Hungarian went viral on Twitter, the former world No. 1 did a little showing off of his own after reaching the third round in Melbourne.

Can the Russian, comfortably into the second round, put a season to forget behind him with a fresh start Down Under?

Evoking the look of an old-school video game controller, the mark will feature on his Lacoste apparel and shoes, as well as his Tecnifibre gear.

The 21-time major champion shook off a left hamstring issue in the first set to advance, 6-3, 6-4, Saturday evening. Sebastian Korda awaits the Serbian.

The nine-time Australian Open champion will face a rematch of the 2021 Melbourne final against the Russian player.

Aryna Sabalenka, Karen Khachanov and Veronika Kudermetova also advanced on Wednesday.

Though the sodium-filled tonic was credited with beefing up Paula Badosa’s forehand at the inaugural United Cup, it couldn’t carry Daniil Medvedev over the finish line last year in Melbourne.