Australian Open 2021: Vintage Serena Williams makes strong start, Stan Wawrinka, Naomi Osaka ease into 2nd round

Australian Open 2021: Vintage Serena Williams, Stan Warinka ease into 2nd round

Australian Open 2021: Vintage Serena Williams makes strong start, Stan Wawrinka, Naomi Osaka ease into 2nd round
Australian Open 2021: Vintage Serena Williams, Stan Warinka ease into 2nd round