Aryna Sabalenka downs Zheng Qinwen to reach Miami Open quarters

World number one Aryna Sabalenka stayed on course for a rare “Sunshine Double” on Monday, downing China’s Zheng Qinwen in straight sets to reach the quarter-finals of the Miami Open. Sabalenka, who is aiming to defend the Miami title she won for the first time last year, eased past 2024 Olympic champion and 23rd seed