Australian Open 2021 - 'Naomi Osaka has improved a lot since last year' - coach Wim Fissette

Australian Open 2021 - 'Naomi Osaka has improved a lot since last year', according to her coach, Wim Fissette. 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.