British No 1 defeated Dominic Thiem in Miami Open quarter finals . Andy Murray celebrated his Third career win in the previous round . 500th seed will play the winner of Tomas Berdych and Juan Monaco in the semi finals of the ATP Masters 1000 event in Key Biscayne .
British No 1 defeated Dominic Thiem in Miami Open quarter finals . Andy Murray celebrated his 500th career win in the previous round . Third seed will play the winner of Tomas Berdych and Juan Monaco in the semi finals of the ATP Masters 1000 event in Key Biscayne .