Round 2 of the 2025 Australian Open is here! The first games were played on Day 4, and while many of the top-seeded stars made it through to Round 3, there were also a few surprising upsets along the way.

Naomi Osaka beat Karolina Muchova 1-6, 6-1, 6-3 at the Australian Open, reaching the third round at a Grand Slam for the first time since her return from maternity leave.

Osaka is back in the third round of a Grand Slam tournament for the first time since 2022, getting there with wins over two women who blocked her path last year.

MELBOURNE, Australia — Novak Djokovic added yet another record to his lengthy list, breaking a tie with Roger Federer for the most Grand Slam matches played in tennis history by reaching 430 on Wednesday at the Australian Open in what was a tougher-than-expected second-round victory.

Since turning pro in 2003, Novak Djokovic has established himself as one of the best tennis players of all time. Check out his top accolades now.

The rise of Jannik Sinner and Carlos Alcaraz vanquished Djokovic's inevitability at the Australian Open, but he is still the main character.