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 1975 Paris Open, also known as the Jean Becker Open, was a Grand Prix men's tennis tournament played onindoor carpet courts. It was the 6th edition of the Paris Open. It took place at the Palais omnisports de Paris-Bercy in Paris, France from 27 October through 2 November 1975. Tom Okker won the singles title.
The 1971 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the Toronto Lawn Tennis Club in Toronto in Canada that was part of the 1971 World Championship Tennis circuit. The tournament was held from August 9 through August 16, 1971. John Newcombe and Françoise Dürr won the singles titles.
The 1973 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the Toronto Lawn Tennis Club in Toronto in Canada that was part of the 1973 Commercial Union Assurance Grand Prix and of the 1973 WTA Tour. The tournament was held from August 20 through August 26, 1973. Tom Okker and Evonne Goolagong won the singles titles.
The 1972 Stockholm Open was a men's tennis tournament played on hard courts and part of the 1972 Commercial Union Assurance Grand Prix and took place at the Kungliga tennishallen in Stockholm, Sweden. It was the fourth edition of the tournament and was held from 4 November through 10 November 1972. First-seeded Stan Smith won the singles title.
The 1974 Stockholm Open was a men's tennis tournament played on indoor hard courts which was part of the AA category of the 1974 Commercial Union Assurance Grand Prix and took place at the Kungliga tennishallen in Stockholm, Sweden. It was the sixth edition of the tournament and was held from 26 October through 11 November 1974. Fourth-seeded Arthur Ashe won the singles title, his second at the event after 1971, and earned $12,000 first-prize money.
The 1977 ABN World Tennis Tournament was a men's tennis tournament played on indoor carpet courts at Rotterdam Ahoy in the Netherlands. The event was part of the 1977 World Championship Tennis circuit. It was the fifth edition of the tournament and was held from 21 March through 27 March 1977. First-seeded Dick Stockton won the singles title.
The 1976 ABN World Tennis Tournament was a men's tennis tournament played on indoor carpet courts at Rotterdam Ahoy in the Netherlands. It was part of the 1976 World Championship Tennis circuit. It was the fourth edition of the tournament was held from 23 February through 29 February 1976. Arthur Ashe won the singles title.
The 1975 ABN World Tennis Tournament was a men's tennis tournament played on indoor carpet courts at Rotterdam Ahoy in the Netherlands. It was part of the 1975 World Championship Tennis circuit. The tournament was held from 24 February through 2 March 1975. First-seeded Arthur Ashe won the singles title, his second after 1972.
The 1973 Dutch Open was a combined men's and women's tennis tournament staged in Hilversum, Netherlands. The men's event was part of the Grand Prix circuit and categorized in Group C. The tournament was played on outdoor clay courts and was held from 16 July to 23 July 1973. It was the 17th edition of the tournament. Tom Okker and Betty Stöve won the singles titles.
The 1974 South African Open, also known by its sponsored name South African Breweries Open, was a combined men's and women's tennis tournament played on outdoor hard courts in Johannesburg, South Africa that was part of the 1974 Commercial Union Assurance Grand Prix. It was the 71st edition of the tournament and was held from 18 November through 26 November 1974. Jimmy Connors and Kerry Melville won the singles titles.
The 1973 South African Open was a combined men's and women's tennis tournament played on outdoor hard courts in Johannesburg, South Africa that was part of the 1973 Commercial Union Assurance Grand Prix. It was the 70th edition of the tournament and was held from 14 November through 27 November 1973. Jimmy Connors and Chris Evert won the singles titles.
The 1974 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts (Har-Tru) at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. It was classified as a Group AA category tournament and was part of the 1974 Grand Prix circuit. It was the 47th edition of the tournament and was held from August 20 through August 26, 1974. Fourth-seeded Björn Borg won the singles title and the accompanying $16,000 first prize money. En route to the final Borg survived match points in both his quarterfinal match against Marty Riessen and his semifinal match against Jan Kodeš. With his victory Borg became the youngest winner of the US Pro Championships at 18 years and two months, surpassing title-holder Jimmy Connors who did not defend his title but instead elected to play the Eastern Grass Court Championships in preparation for the US Open. After the final, which was watched by a crowd of almost 6,000, Okker commented "This was the first time I've played Björn Borg and at the moment I'm hoping it will be the last!".
The 1969 German Open Championships was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 61st edition of the tournament, the second one in the Open Era, and the first edition to offer official prize money. The event took place at the Am Rothenbaum in Hamburg, West Germany, from 5 August through 11 August 1969. First-seeded Tony Roche and Judy Tegart won the singles titles. Tegart also won the doubles and mixed doubles titles.
The 1978 Suisse Open Gstaad was a men's tennis tournament played on outdoor clay courts in Gstaad, Switzerland. It was the 33rd edition of the tournament and was held from 10 July through 16 July 1978. The tournament was part of the Grand Prix tennis circuit with a total prize money available of $75,000. First-seeded Guillermo Vilas won the singles title, his second at the tournament after 1974.
The 1970 German Open Championships was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 62nd edition of the tournament, the first one in the Open Era, and took place at the Am Rothenbaum in Hamburg, West Germany, from 10 August through 17 August 1970. First-seeded Tom Okker and Helga Schultze-Hösl won the singles titles.
Arthur Ashe was the defending champion of the singles event at the ABN World Tennis Tournament, but did not participate in this edition.
The 1977 Richmond Tennis Classic was a men's tennis tournament played on indoor carpet courts at the Richmond Coliseum in Richmond, Virginia in the United States. The event was part 1977 World Championship Tennis circuit. It was the 12th edition of the tournament and was held from February 1 through February 6, 1977. Unseeded Tom Okker won the singles title and earned $30,000 first-prize money.
The 1973 Rainier International Tennis Classic, also known as the Seattle International, was a men's tennis tournament staged at the Seattle Center Arena in Seattle, Washington in the United States that was part of the Grand Prix circuit and categorized as a Group C event. The tournament was played on indoor carpet courts and was held from September 10 until September 16, 1973. It was the second and last edition of the tournament and second-seeded Tom Okker won the singles title and earned $7,500 first-prize money as well as 20 ranking points.
The 1973 Union Trust Classic, also known as the Washington Indoor, was a men's tennis tournament played on indoor carpet courts in Merrifield, Virginia in the United States that was part of Group B of the 1973 World Championship Tennis circuit. It was the second edition of the tournament and was held from March 19 through March 25, 1973. Unseeded Tom Okker won the singles title and earned $10,000 first-prize money after his opponent in the final, Arthur Ashe, failed to convert two matchpoints in the final set.
Tom Okker [1] 
Bob Hewitt / 
