Novak Djokovic of Serbia celebrates his gripping Australian Open five-set win over Taylor Fritz. EPA-EFE/DEAN LEWINSSeventh-seeded Aryna Sabalenka will face Serena Williams for the first time in the Australian Open fourth round. EPA-EFE/DAVE HUNT Alexander Zverev dropped just seven games rolling past Adrian Mannarino into the Australian Open fourth round. EPA-EFE/DEAN LEWINS Hsieh Su-wei of Taiwan in action against Sara Errani of Italy during their third round match in Melbourne. EPA-EFE/JASON O’BRIENGrigor Dimitrov advanced to the Australian Open fourth round for the fourth time in the last five years when opponent Pablo Carreno Busta retired from their match. EPA-EFE/DAVE HUNT In a clash of Canadian buddies, Felix Auger-Aliassime had all the right answers against Denis Shapovalov. EPA-EFE/JASON O’BRIENTwo-time major champion Garbine Muguruza will play three-time Grand Slam champion Naomi Osaka in a blockbuster fourth rounder. EPA-EFE/JASON O’BRIENDominic Thiem rallied from two sets down fighting off Nick Kyrgios in five sets. EPA-EFE/DAVE HUNT
