German veteran Laura Siegemund has caused a massive boilover at the Australian Open, downing Chinese star Zheng Qinwen, but Coco Gauff has advanced.
Jordan Thompson has followed fellow home seed Alexei Popyrin out of the Australian Open exit gates with a straight-sets second-round loss to Nuno Borges.
Spanish superstar Carlos Alcaraz has eased his way to the Australian Open third round, while fellow title contender Novak Djokovic took a more difficult path.