Approximately 5 million of the 17 million people in the Netherlands are registered to one of the 35,000 sports clubs in the country. About two thirds of the population older than 15 years participates in sports weekly.
Thomas Samuel Okker is a Dutch former tennis player who was active from the mid-1960s until 1980. He won the 1973 French Open Doubles, the 1976 US Open Doubles, and two gold medals at the 1965 Maccabiah Games in Israel. He was ranked among the world's top-ten singles players for seven consecutive years, 1968–74, reaching a career high of world No. 3 in 1974. He also was ranked world No. 1 in doubles in 1969.
Raemon Sluiter is a Dutch former professional tennis player and current coach. His career-high ATP singles ranking is World No. 46, achieved in February 2003. Though he achieved only limited success during his professional career, Sluiter reached four ATP finals in his native Netherlands, and also reached the semi-finals of the Davis Cup with the Dutch team in 2001.
Hendrik ("Henk") Timmer was a Dutch sportsman, who primarily played tennis. Born in Utrecht, Timmer also won golf tournaments, became Dutch squash champion, played badminton and hockey. He died aged 94 in Bilthoven, four days before his former doubles partner Kea Bouman. Apart from being a Dutch tennis champion, he was Swiss, Welsh and Scottish indoors champion as well.
Johannes Martinus ("Jan") Siemerink is a retired tennis player from the Netherlands. The former Dutch Davis Cup captain reached a career-high ATP ranking of 14.
Eduard Laurens "Eddy" Pieters Graafland was a Dutch professional football player and coach. As a player, he was the goalkeeper of Ajax, Feyenoord and the Netherlands. In 1970, his last season as a professional, he won the Europa Cup with Feijenoord. In total, he was capped for the national team 47 times.
Richard Crealy is an Australian former tennis player most notable for reaching the final of the Australian Open in 1970, being a member of the 1970 Australian Davis Cup Team, and winning four Grand Slam titles in doubles.
Gerald Battrick was a Welsh tennis player who reached as high as No. 3 in Britain, winning at least 6 titles.
Jean-Julien Rojer is a Dutch professional tennis player from Curaçao, who specialises in doubles. He reached his career-high doubles ranking of world No. 3 in November 2015.
Béla von Kehrling was a Hungarian tennis, table tennis, and football player but eventually a winter sportsman familiar with ice-hockey and occasionally competing in bobsleigh. He competed at the 1912 Summer Olympics and the 1924 Summer Olympics.
Melle van Gemerden is a former professional tennis player from the Netherlands. Coined as ‘Mad Melle’ by the Dutch press, was part of a doping process in a Mauritius ATP Challenger in 2004, and peaked the ATP singles world ranking as nr. 100 by June, 2006.
Ivo Ferdinand Rinkel was a Dutch tennis and field hockey player who was active in the 1940s and 50s.
Johan Frederik Willem "Jan" van der Heide (1908–1959) was a Dutch tennis player. He was the fifth-ranked Dutch player in 1928, third in 1930 and second in 1932. He was a one-time national singles, doubles and mixed doubles champion.
Drachtster Boys is a football club from Drachten, Netherlands. The female squads of the soccer club are extremely successful, winning national titles and cups.
Rolf Thung is a retired Dutch tennis player. With Louk Sanders, he won the doubles title of the 1978 British Hard Court Championships.
Jan Hajer was a Dutch tennis player. He was the national champion in 1963. He represented the Netherlands in the Davis-Cup between 1964 and 1968.
Evert Schneider is a Dutch former tennis player.
Ton Sie is an Indonesian-born Dutch former professional tennis player.
Willem Maris was a Dutch businessman, engineer and tennis player.
Nora Blom is a Dutch former professional tennis player. While touring in the 1970s she was known by her married name Nora Lauteslager.
Netherlands