Andy Murray moved into the quarter finals in Acapulco after defeating the world number 44 Joao Sousa 6-3, 6-4 today.
The second seed had to recover from another slow start, going an immediate break down in the opening game. But a stunning pass down the line helped Murray restore order just three games later, as the Scot started to settle.
Controversy followed in game seven after a point in Murray's favour was reversed, with the umpire bizzarely adjudging the Brit to have distracted his opponent with a call during the point - although the noise appeared to come from the opposite end of the court.
But Murray channelled his evident frustration and mounted an attack on Sousa's next service game, sealing a vital third break of the set before serving it out to take the set 6-3.
The Scot now seemed to be in control and an early break in set two put him in a commanding position. The Portuguese man threatened briefly to come back into it but Murray shut the door, and an ace - one of six for the match - put him 3-1 ahead.
Murray had numerous chances to extend his lead but failed to capitalise, and Sousa was able to remain within touching distance. However in the end it did not matter; Murray relatively untroubled on serve throughout and eventually sealed the victory on his second match point.
The world number seven will take on a familiar face in Gilles Simon in the next round. The two have faced off on 12 occasions previous, with Simon's only victory coming in their first encounter in 2007.
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