MADRID: World number one Andy Murray enjoyed a comfortable start to his quest for a third Madrid Masters title with a 6-4, 6-3 win over Romania´s Marius Copil on Tuesday. Murray has struggled for form and fitness since soaring to the top of the world rankings at the end of last year. However, the Scot had far too much guile for the big-serving world number 104 as he didn´t face a single break point in sealing victory in just under 90 minutes on court. Murray will face either Frenc