The final matches of the first week confirmed the fourth-round lineup and delivered several memorable moments.
Stan Wawrinka’s final Australian Open came to an end after a loss to Taylor Fritz, while Jannik Sinner and Iga Swiatek were both tested before advancing. Novak Djokovic added another milestone to his record-setting career by reaching 400 Grand Slam singles victories.
American players continued to feature prominently across both draws, reinforcing the depth and strength of their challenge heading into the second week.
