From underam between the legs serving to handle hitting, Nick Kyrgios had fans buzzing in his AO opener.
Two-time AO semifinalist on what separates his hard-court from the rest.
Aussie wild card Maddison Inglis upset US Open finalist Leylah Fernandez for her first Grand Slam win.
It's the second consecutive year that Ruud has dealt with injury troubles in Melbourne.
Sorana Cirstea ended 2019 finalist Petra Kvitova's AO early for the second straight year.
Alexander Zverev shows support for Australia's decision and sympathy for Novak Djokovic's treatment.
The American hopes to learn from her surprise loss to China's Wang Qiang on Day 1.
