Australian Open champion faces rematch with Medvedev Azarenka still in contention to win fourth Miami Open title Jannik Sinner eased past Tomas Machac 6-4, 6-2 to reach the semi-finals of the Miami Open on Wednesday where the second seed will face the defending champion Daniil Medvedev. The first set of the match played in humid conditions hinged on a Machac service game at 3-3 where the unseeded Czechs forehand missed it
