Australia Open: Serena Williams stunned by Wang Qiang in 3-set thriller
China's Wang Qiang caused the biggest upset of the Australian Open this year by knocking out 7-time champion Serena Williams from the tournament in the third round on Friday. China's Wang Qiang caused the biggest upset of the Australian Open this year by knocking out 7-time champion Serena Williams from the tournament in the third round on Friday.