 World No 1 Iga Swiatek was dumped out of the Australian Open by Wimbledon champion Elena Rybakina, while Coco Gauff suffered defeat to a resurgent Jelena Ostapenko. Rybakina produced a big-stage performance on Rod Laver Arena, winning 6-4 6-4 to set up a meeting against former French Open champion Jelena Ostapenko, who powered her way ... Australian Open: Iga Swiatek and Coco Gauff both suffer shock... 