of Queen's Club Pro winners: World Pro Championship: 1932–1933 The World Pro Championship were held in 1932 and 1933 in Berlin at the Rot-Weiss club, on clay. It had a very large participation (over 80 players). According to Ray Bowers, the tournament at the time was regarded as the most prestigious professional tournament in the world. List of World Pro winners: Bonnardel Cup: 1935–1937 This was a team tournament created by Bill Tilden and modeled on the Davis Cup format. In 1935, early rounds in France were hoped to be played at Roland Garros, but the French Tennis Association would not allow the event to be played at the stadium. International Pro Championship of Britain: 1935–1939 The International Pro Championship of Britain (also known as the Southport Pro, as well as the Southport Dunlop Cup for sponsorship purposes) was a professional tennis tournament held at Victoria Park in Southport between 1935 and 1939. It was open to professional players only, amateurs were not allowed to compete. The tournament was held on outdoor En-tout-cas, "all-weather" artificial clay. List of International Pro Championship of Britain winners: U.S. Pro Hard Courts: 1945–1946 In LA; the only significant pro tournament of the last year of World War II, although missing Frank Kovacs and Welby Van Horn. Philadelphia U.S. Pro Indoor: 1950–1952 Australian Pro: 1954 The Australian Pro was a men's professional tournament held in 1954 and it was billed as the Australian Professional Championships. Tournament of Champions: 1957–1959 The Tournament of Champions was a prominent professional tennis tournament series between 1957 and 1959. The tournament was held on the grass-courts of Forest Hills, New York, between 1957 and 1959, and an Australian version of the Tournament of Champions was held on grass at White City, Sydney in 1957 and 1959, and at Kooyong Stadium in Melbourne in 1958. The 1957 and 1958 Forest Hills tournaments had a round robin format, while the 1959 Forest Hills was an elimination tournament with 10 players. The Sydney version was an elimination event, while the 1958 Kooyong event was a round robin format. The 1957 Forest Hills Tournament of Champions was broadcast live nationally in the U.S.A. on the CBS television network in its entirety, the only known professional tennis tournament in the U.S.A. to achieve this status before the Open Era. (The CBS Dallas pro tennis tournament in 1965 was filmed and broadcast one match at a