eighth seed berdych defeated argentine monaco 6-3 , 6-4 to ensure a first meeting with muray since their tense and at times acrimonious australian open semi-final which murray won in four sets .
monaco , backed by a large argentine support , put up a strong fight in the second set until berdych broke for a 5-4 lead .
juan monaco stretches to play the backhand in the miami open quarter-finals on wednesday .