Claim: Mirka Federer was a player of a racket sport and she is Swiss.
Evidence: Miroslava `` Mirka '' Federer -LRB- born Miroslava Vavrincová on 1 April 1978 , later Miroslava Vavrinec -RRB- is a Slovak-born Swiss former professional tennis player.
Tennis is a racket sport that can be played individually against a single opponent -LRB- singles -RRB- or between two teams of two players each -LRB- doubles -RRB-.