No. 19 seed Madison Keys scored the big upset on Day 9 of the Australian Open, defeating No. 6 Elena Rybakina 6-3, 1-6, 6-3 at Margaret Court Arena to advance to the tournament quarterfinals.

Defending champion Jannik Sinner shattered home hopes Wednesday by crushing Alex de Minaur in a straight-sets rout to tee up an Australian Open semifinal against Ben Shelton.

The 2025 Australian Open runs from Sunday, Jan. 12 to Sunday, Jan. 26. However, due to the time difference in The Land Down Under, match start times will be a bit wonky for U.S. viewers, meaning the first major tennis tournament of the year will start airing coverage at 7 p.m. ET on Jan. 11 in U.S. timezones.

Defending champion Jannik Sinner has moved into the quarterfinals at the Australian Open after beating Holger Rune during a match slowed down by medical timeouts for each player and a delay because the net got knocked loose.

Sinner's remarkable on-court ability to block out any distraction from his mission has been on full display as he seeks to defend his Melbourne title.

Imperious Iga Swiatek swept into an Australian Open semi-final against Madison Keys on Wednesday while Jannik Sinner's powers of recovery will be tested to the limit when he faces home

Defending champion Jannik Sinner raced into the Australian Open semi-finals on Wednesday in imperious fashion after Iga Swiatek was equally ruthless to close on a first Melbourne crown.

Jannik Sinner, Iga Swiatek and Elena Rybakina are some of the prominent players who will be in action on the ninth day in Melbourne.

Defending champion Jannik Sinner raced into the Australian Open semi-finals on Wednesday in imperious fashion after Iga Swiatek was equally ruthless to close

Keys raised her game, though, breaking Svitolina in both the final sets while staying rock-solid on serve. Shelton, the 21st seed, is the last American in the men's singles draw, having carried on after the third round demise of US Open runner-up Taylor Fritz and the quarterfinal exit of 12th seed Tommy Paul.

The 113th Australian Open is underway, kicking off the first Grand Slam of 2025. We'll show you where to watch the Australian Open globally.