MONTE CARLO – Andy Murray returned from over a month out with an elbow injury to launch his clay-court season with a gruelling 7-5 7-5 defeat of Gilles Muller at the
The World No 1 and top seed waited until late in both sets to make his move, finally putting Muller away in just under two hours to reach the third round.
But the 29-year-old Scot was poor on his serve with eight double faults, while breaking
In the second he was also far from his fluent best, before grinding out victory.
It was the first time back on the ATP since an elbow injury – his last match was a second-round loss to Vasek Pospisil at Indian Wells on March 12.
The three-time Monte Carlo semi-finalist, who has had a sticky start to 2017 with form and injury, now stands 13-3 on the season and has one title from Dubai in his pocket.
Three-time Grand Slam winner Wawrinka won in
Austrian Dominic Thiem, seeded sixth, advanced over Dutchman Robin Haase 6-3 6-2, while Czech ninth seed Tomas Berdych put an end to the run of 39-year-old Tommy Haas 3-6 6-1 6-4.
Pablo Carreno Busta, Alexander Zverev and Albert Ramos-Vinolas all advanced.