Murray delighted with 'big win' over specialist Robredo

WORLD No3 Andy Murray told of his delight after cruising past Tommy Robredo to reach the quarter-final of the Madrid Masters yesterday.<br /><br />Murray survived a tough start in the sweltering heat to come through 7-5, 6-1 and book a last eight clash with fifth seed Juan Martin Del Potro.<br /><br />&ldquo;I&rsquo;m very happy with the result, he&rsquo;s one of the top clay-court players,&rdquo; the Scot said.<br /><br />&ldquo;He&rsquo;s made the second week on the French Open clay quite a few times, so it&rsquo;s a big win for me.&rdquo;