A Swiss antismoking campaign group is concerned that weak legislation in the country is being exploited by Imperial Tobacco to sponsor a tennis tournament and promote its brand of cigarettes and other products. The company is the fourth largest tobacco company in the world.

Switzerland is a sanctuary for the tobacco industry, said Pascal Diethelm, director of the antismoking group OxyRomandie, ahead of the Davidoff Swiss indoor tournament, which starts on 31 October as part of the Association of Tennis Professionals World Tour 500. The tournament, which is one of the last tobacco sponsored tennis events in the world, is being used by the company to intensively advertise its Davidoff brand, on court hoardings and the uniforms of line judges and ball girls and boys, said Mr Diethelm.

The last time the tournament was held in Basel in 2008, the “players drowned in an advertising soup for Davidoff,” he said.

He …