Dhaka, March 24 -- World Number One Aryna Sabalenka reached the last 16 at the Miami Open when Elena-Gabriela Ruse retired injured on Saturday, while men's top seed Alexander Zverev beat Jacob Fearnley 6-2, 6-4 to reach the third round.

Sabalenka, who arrived in Miami fresh off a loss in last week's Indian Wells final, wrapped up the first set 6-1 before Romanian Ruse was forced to retire with a right thigh injury.

Up next for three-times Grand Slam champion Sabalenka will be the winner of Saturday's night match on Grandstand between American defending Miami champion Danielle Collins and Swiss qualifier Rebeka Masarova.

Naomi Osaka won 7-6(6) 3-6 6-4 against American wild card Hailey Baptiste to set up a clash with Italian sixth seed Jas...