U.S. game struggles to attract new players

By Mark Lamport-Stokes RANCHO MIRAGE, California (Reuters) - An ageing core of recreational players and plunging sales of entry-level rackets are the biggest concerns facing tennis in the United States, according to experts. Though the U.S. tennis economy grew by 3 percent last year compared to 2013, based on data compiled by the Tennis Industry Association (TIA), much still needs to be done to lure the 18-35 age group to the sport. "One and a half million fewer people bought entry-level rackets