Stefanos Tsitsipas flirted with disqualification as he lashed at a loose ball in anger during his win over Jiri Lehecka at Melbourne Park

Jessica Pegula became the latest big name to fall in Melbourne as Victoria Azarenka demonstrated her enduring quality

Novak Djokovic was at his imperious best as he swept past Australia’s Alex De Minaur to reach the last eight at Melbourne Park

Magda Linette advanced to her first grand slam quarter-final with a stunning win over Carolina Garcia at Melbourne Park

Stefanos Tsitsipas kept his Australian Open challenge on course after edging a five-set thriller against Italy’s Jannik Sinner

On another day of upsets in Melbourne, Elena Rybakina ousted top seed Iga Swiatek before Jelena Ostapenko stunned Coco Gauff