<P> In April 1898, a professional, round - robin tournament was played in Paris on covered courts . Both Thomas Burke (tutor of the Tennis Club de Paris, former teacher of Joshua Pim who won Wimbledon twice) from Ireland and Kerr (Fitzwilliam Club) defeated Tom Fleming (Queen's Club), and Burke defeated Kerr 6--2, 4--6, 6--1, 5--7, 6--4 . </P> <P> During the 1900 Paris Exhibition, a professional tournament was held on clay, with Burke finishing ahead of both Kerr and the Englishman Charles Hierons . </P> <P> In the spring of 1903 in Nice on clay, Reginald Doherty, the leading amateur, defeated the leading professional, Burke, 1--6, 6--1, 6--0, 6--0 . </P> <P> Burke was reportedly as good a player as the leading amateurs, but he is totally forgotten today, as was later Charles Haggett, the best English teaching professional . In 1913, Haggett settled in the United States, invited by the West Side Tennis Club of Forest Hills, New York and became the coach of the American Davis Cup team . In practice matches, he beat the leading amateurs Tony Wilding, Wimbledon winner and Maurice McLoughlin, Wimbledon All Comer's winner . </P>

Who is the number one ranked male tennis player in the world