Andy Murray closed in on his 500th career victory on Sunday with a 6-3 , 6-4 victory over hard-hitting Colombian Santiago Giraldo to make the fourth round of the Miami Open . The world number four will now meet South African giant Kevin Anderson on Tuesday in an attempt to become the first British player to make the 500-mark since tennis went fully 'open ' to all players in 1968 . Now three wins ahead of Tim Henman 's career tally , Murray had a mid-morning start against world number 27 Giraldo , who strikes the ball as firmly as anyone from the back of the court . Andy Murray plays a backhand on his way to beating Santiago Giraldo in the third round of the Miami Open . Murray bends down to play a forehand shot during his victory at Crandon Park on Sunday afternoon . Giraldo and Murray shake hands after the Scot overcame a small scare to secure victory . The Scot keeps his eyes on the ball as he sees off Giraldo to set up a clash with Kevin Anderson . Murray serves during his victory against Giraldo - the 499th win of his professional career so far . Giraldo plays a forehand return towards Murray during their two-set match on Sunday afternoon . Murray 's coach Ameli Mauresmo ( front , left ) and fiancee Kim Sears watch on from the stands . But Murray 's subtle changes of angles and spins unpicked him , and he closed the match out after a mini-scare when the South American pulled him back from 5-1 up in the second set to win in 84 minutes . 'He hits it very hard and made things difficult at the end so it 's good to get through , ' said Murray , who now takes on the number fifteen seed . Murray chases down a shot from Giraldo during another sweltering day in the Miami heat . Murray acknowledges the applause from the crowd after earning another victory on American soil . The British No 1 plays a delicate volley as he continues his bid for a third Miami Open title in six years .
Andy Murray beat Santiago Giraldo in straight sets on Sunday . The Scot came through 6-3 , 6-4 , to reach the Miami Open fourth round . Murray is looking for his third title after wins in 2009 and 2012 . He will face South Africa 's Kevin Anderson in the last 16 .