Who will claim the first Grand Slam singles title of the decade as the Australian Open women's championship is decided at Melbourne Park?

Japan’s Naomi Osaka clinched her maiden Australian title 12 months ago with a 7-6, 5-7, 6-4 victory over two-time Wimbledon champion Petra Kvitova. It was the third time in four years that the women’s final in Melbourne had gone to a nail-biting deciding set. Sue Barker introduces all the action. Show less