Three-time Grand Slam winner Andy Murray was in impressive form as he defeated British number one Dan Evans in his first match since October.
The 33-year-old had not played since his loss to Fernando Verdasco in Cologne and withdrew from the following event because of a pelvic problem.
Murray kept his cool as Evans lost his during the 7-6 (7-5) 6-4 Battle of the Brits victory in Roehampton.
The third edition of the league event began on Sunday and ends on Wednesday.
The event was organised by the Lawn Tennis Association to help British players prepare for the 2021 season with competitive matches after their schedules had been affected by the coronavirus pandemic.