Australian Open - 'Naomi Osaka needs to play well on clay and grass to dominate tennis' - Wilander

Australian Open - 'Naomi Osaka needs to play well on clay and grass to dominate tennis', according to Eurosport expert Mats Wilander. The unprecedented 2021 edition of the Australian Open runs from February 8 until February 21 and Eurosport has all the best action from Melbourne. Watch the first Grand Slam of the new season live on Eurosport, eurosport.co.uk and the Eurosport app.