Clark Graebner is a retired American professional tennis player.
The 1971 Benson & Hedges Centennial Open was a combined men's and women's tennis tournament played on outdoor grass courts at the Stanley Street Courts in Auckland, New Zealand from 7 March to 13 March 1971. It was a non-tour event, i.e. not part of one of the main men's or women's circuits that year. Bob Carmichael and Margaret Court won the singles titles.
The 1975 New Zealand Open, also known as Benson and Hedges Open for sponsorship reasons, was a professional men's tennis tournament held in Auckland, New Zealand. It was an independent event, i.e. not part of the 1975 Grand Prix or 1975 World Championship Tennis circuit. It was the eighth edition of the tournament and was played on outdoor grass courts from 6 January through 12 January 1975. First-seeded Onny Parun won the singles title.
The 1970 South American Open Championships was a men's tennis tournament that was part of the 1970 Pepsi-Cola Grand Prix and held in Buenos Aires, Argentina. It was the third edition of the tournament held in Buenos Aires and ran from 31 October through 8 November 1970. It was played on outdoor clay courts. Željko Franulović won the singles title.
The 1972 Rotterdam Indoors was a men's tennis tournament played on indoor carpet courts. It was the inaugural edition of the event known that year as the Rotterdam Indoors, and was part of the 1972 World Championship Tennis circuit. It took place at the Rotterdam Ahoy indoor sporting arena in Rotterdam, Netherlands, from 12 November through 18 November 1972. Second-seeded Arthur Ashe won the singles title.
The 1972 Swedish Pro Tennis Championships was a men's tennis tournament played on indoor carpet courts. It was the 1st edition of Swedish Pro Tennis Championships, and was part of the 1972 World Championship Tennis circuit. It took place at the Scandinavium in Gothenburg, Sweden, from 30 October until 5 November 1972.
The 1973 Denver WCT, also known as the 1973 United Bank Tennis Classic for sponsorship reasons, was the second edition of the tennis event. It was held on indoor carpet courts in Denver, Colorado. The tournament was held between the April 23 and April 30, 1973. The tournament was part of the World Championship Tennis tour, and was part of the Group B circuit. As a result the defending champions Rod Laver, of the doubles and singles, along with his doubles partner Roy Emerson, were ineligible to compete. Ninth-seeded Mark Cox won the singles title.
The 1974 Rothmans International Tennis Tournament was a men's professional tennis tournament held on indoor carpet courts in the Royal Albert Hall in London, England. It was the fourth edition of the tournament and was held from 15 to 23 February 1974. The event was part of the 1974 World Championship Tennis circuit. Sixth-seeded Björn Borg won the singles title.
The London WCT was a men's professional tennis tournament held on indoor carpet courts at the Earls Court Exhibition Centre in London, England. It was the sixth and final edition of the tournament and was held from 28 March through 3 April 1977. The event was part of the 1977 World Championship Tennis circuit. Fourth-seeded Eddie Dibbs won the singles title and £18,000 / $30,000 first–prize money.
The 1971 Aryamehr Cup was a men's professional tennis tournament played on outdoor clay courts at the Imperial Country Club in Tehran in Iran. The event was part of the 1971 World Championship Tennis circuit. It was the first edition of the tournament and was held from 10 May through 16 May 1971. Marty Riessen won the singles title.
The 1971 Washington Star International was a men's tennis tournament and was played on outdoor clay courts. The event was the third edition of the tournament and was part of both the 1971 Grand Prix circuit and 1971 World Championship Tennis circuit. It was held in Washington, D.C., United States from July 12 through July 18, 1971. Ken Rosewall won the singles title and earned a $10,000 first prize.
The 1972 First National Tennis Classic, also known as the Louisville WCT, was a men's tennis tournament played on outdoor clay courts at the Louisville Tennis Center in Louisville, Kentucky, United States. It was the third edition of the tournament and was held from July 24 through July 30, 1972. The tournament was part of the 1972 World Championship Tennis circuit and offered total prize money of $50,000. The singles final was won by ninth-seeded Arthur Ashe who earned $10,000 first-prize money.
The 1975 Rothmans International Trophy was a men's professional tennis tournament held on indoor carpet courts at the Royal Albert Hall in London, England. It was the fifth edition of the event and was held from 4 March until 8 March 1975. The tournament was a special non–ranking event on the 1975 World Championship Tennis circuit consisting of eight nations and 16 players. Mark Cox won the singles title.
The 1972 Charlotte Tennis Classic, also known by its sponsored name North Carolina National Bank Tennis Classic, was a men's tennis tournament played on outdoor clay courts that was part of the World Championship Tennis (WCT) circuit. It was the second edition of the tournament and was held from April 18 through April 23, 1972 at the Julian J. Clark Tennis Stadium, owned by the Olde Providence Racquet Club in Charlotte, North Carolina in the United States. Second-seeded Ken Rosewall won the singles title.
The 1974 United Bank Classic, also known as the Denver WCT, was a men's tennis tournament played on indoor carpet courts in Denver, Colorado in the United States that was part of the 1974 World Championship Tennis circuit. It was the third edition of the tournament and took place from April 22 through April 28, 1974. Sixth-seeded Roscoe Tanner won the singles competition.
The 1975 First National Bank Classic, also known as the Atlanta WCT, was a men's tennis tournament played on indoor carpet courts at the Alexander Memorial Coliseum in Atlanta, Georgia in the United States that was part of the Red Group of the 1975 World Championship Tennis circuit. It was the fourth edition of the tournament and was held from March 24 through March 30, 1975. Fifth-seeded Mark Cox won the singles title and the accompanying $12,000 first-prize money
The 1973 Copenhagen WCT, also known as the Copenhagen Professional Championships, was a men's tennis tournament played on indoor carpet courts in Copenhagen, Denmark. The tournament was part of Group B of the 1973 World Championship Tennis circuit. It was the inaugural edition of the event and was held from 11 February until 17 February 1973. Unseeded Roger Taylor won the singles title.
The 1973 Cleveland Tennis Classic, also known as the Cleveland WCT, was a men's tennis tournament held on indoor carpet courts in Cleveland, Ohio in the United States that was part of the Group B circuit of the World Championship Tennis. It was the second edition of the tournament and was held between April 9 and April 15, 1973. Fifth-seeded Ken Rosewall won the singles title and earned $10,000 first-prize money as well as 10 WCT ranking points.
The 1972 Rothmans International Quebec, also known as the Quebec International Open or Quebec WCT, was a men's professional tennis tournament that was part of the 1972 World Championship Tennis circuit. It was held on indoor carpet courts at the Laval University sports centre in Quebec City, Quebec in Canada. It was the second edition of the tournament and was held from 9 April through 16 April 1972. Seventh-seeded Marty Riessen won the singles title and earned $10,000 first-prize money.
The 1975 St. Louis Tennis Classic, also known as the St. Louis WCT, was a men's professional tennis tournament that was part of the Blue Group of the 1975 World Championship Tennis circuit. It was played on indoor carpet courts at the Kiel Auditorium in St. Louis, Missouri in the United States. It was the fifth edition of the tournament and was held from April 7 through April 13, 1975. Fourth-seeded Vitas Gerulaitis won the singles title and earned $12,000 first-prize money.
Mark Cox [1] 
Cliff Drysdale / 
