CORRECT answer is option 4, i.e. Roger Federer.Roger Federer was BORN August 8, 1981, Basel, Switzerland.This Swiss tennis player, who dominated the sport in the early 21st century with his EXCEPTIONAL all-around game.He won a total of 20 men’s singles Grand Slam championships and this is the most in tennis history.He started playing tennis at age EIGHT, became Switzerland’s junior champion when he was 14.In 1998 he captured the Wimbledon junior singles championship and secured the Orange Bowl junior tournament crown in Miami.The following year Federer made his debut on the Swiss Davis Cup team and became the youngest tennis player (at 18 years 4 months) to end the year among the world’s top 100, finishing that season at number 64.