Miami Open : Stefanos Tsitsipas wins opener to enter Round-4, Daniil Medvedev gets walkover
Miami : After a week off due to a first-round bye and a victory by walkover in the second round, world no.3 Greek Stefanos Tsitsipas hit the court on Monday evening, defeating Chilean qualifier Cristian Garin in three sets, 6-3, 4-6, 6-4 to…