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Australian Open 2021 • Quarterfinal Photo Gallery • Tsitsipas, Djokovic, Medvedev, Serena and More!

Alexander Zverev hits the tweener during his Australian Open quarterfinal loss to Novak Djokovic. EPA-EFE/DAVE HUNT
No. 25-seeded Karolina Muchova shocked world No. 1 Ash Barty to reach her first Grand Slam semifinal. EPA-EFE/JAMES ROSS
Ash Barty lost 12 of the final 15 games to Karolina Muchova as her hopes to become the first Aussie woman to win the Australian Open in 43 years ended. EPA-EFE/DAVE HUNT AUSTRALIA AND NEW ZEALAND OUT
Novak Djokovic of Serbia smashed his racquet then rallied past Alexander Zverev into the Australian Open semifinals. EPA-EFE/DAVE HUNT
US Open semifinalist Jennifer Brady beat buddy Jessica Pegula to reach her second major semifinal at Melbourne Park. EPA-EFE/JAMES ROSS
World No. 61 Jessica Pegula dropped the final six games in a row bowing to Jennifer Brady. EPA-EFE/JAMES ROSS
Daniil Medvedev defeated childhood friend Andrey Rublev charging into the Australian Open semifinals. EPA-EFE/JAMES ROSS
In a clash of former world No. 1 players Serena Williams swept Simona Halep. EPA-EFE/DAVE HUNT
Stefanos Tsitsipas joined Roger Federer and Fabio Fognini as the third man to rally from two sets down to defeat Rafael Nadal. EPA-EFE/DAVE HUNT
Stefanos Tsitsipas denied Rafael Nadal’s quest for a record-extending 21st major championship. EPA-EFE/DAVE HUNT