Roger Federer marked his return from injury with a 6-3 6-4 victory against Dan Evans as Switzerland beat Great Britain 3-0 in the Hopman Cup.
Federer, 35, made short work of the British number three in his first match after a six-month knee injury setback.
World number 76 Heather Watson lost her tie against Belinda Bencic 7-5 3-6 6-2 to give Switzerland the victory.
Federer and Bencic then combined to seal the whitewash, beating Evans and Watson 4-0 4-1 in Australia.
The Hopman Cup, played in Perth, comprises two singles matches and a mixed doubles contest between nations in a round-robin format with two groups of four.
France beat Germany in Group A’s other fixture, with USA, Spain, Australia and the Czech Republic completing the line-up in Group B.