Top-seeded Andy Murray and No. 4 seed Stan Wawrinka were a pair of opening-round winners Wednesday at the $1.825 million ABN AMRO World Tennis Tournament.
Murray handled French qualifier Nicolas Mahut 6-3, 6-2, while Wawrinka held off game Dutch wild card Jesse Huta Galung 6-3, 3-6, 6-3 at Ahoy Rotterdam.