Complex sentence: Miroslava "Mirka" Federer (born Miroslava Vavrinec on 1 April 1978 in Bojnice, Slovakia, then Czechoslovakia) is a former WTA tennis player from Switzerland who retired from the game in 2002 due to a persistent foot injury.
Split into simpler sentences: Miroslava "Mirka" Federer (born Miroslava Vavrinec on 1 April 1978 in Bojnice, Slovakia, then Czechoslovakia) is a former professional tennis player from Switzerland. She retired from the game in 2002 due to a persistent foot injury.