Osaka powers past Riske to reach Miami quarter-finals

“Former world No.1 Naomi Osaka reached the quarter-finals of the Miami Open with a straight-sets victory over Alison Riske. Osaka won four games in a row in the second set and will next face Ausrtalian Open runner-up Danielle Collins, who beat Ons Jabeur. Wildcard Daria Saville saved a match point on her way to beating lucky loser Lucia Bronzetti.”