Jannik Sinner and Aryna Sabalenka will look to defend their titles, as Carlos Alcaraz and Iga Świątek seek their first Career Grand Slams in Melbourne.

Venus Williams plays her first round at the Australian Open tonight around 3 a.m. ET. Williams will play against Serbia's Olga Danilovic. Tonight's first round match between Williams and Danilovic is estimated to start around 3 a.m., following the Tiafoe vs. Kubler match, which is scheduled for 1 a.m. ET.

The 2026 Australian Open in Melbourne is happening now. Here's where to find a livestream to watch the tennis matches online free without cable.