Bianca Andreescu was wheelchaired off court after suffering a left ankle injury and retiring against Ekaterina Alexandrova at Miami Open. Elena Rybakina extended her winning streak to 11 matches as she booked her place in the Miami Open quarter-finals with a 6-4, 6-3 win over Belgium’s Elise Mertens on Monday while world number two Aryna Sabalenka powered past Barbora Krejcíkova …