Ken Rosewall defeated Tony Roche in the final, 2–6, 6–4, 7–6(5–2), 6–3 to win the men's singles tennis title at the 1970 US Open.
Rod Laver defeated Tony Roche in the final, 6–3, 6–4, 6–2 to win the gentlemen's singles tennis title at the 1968 Wimbledon Championships. It was the first edition of Wimbledon open to professional tennis players, a period in tennis history known as the Open Era.
Arthur Ashe defeated Tom Okker in the final, 14–12, 5–7, 6–3, 3–6, 6–3 to win the men's singles tennis title at the 1968 U.S. Open. It was the first edition of the tournament open to professional players, a period in tennis history known as the Open Era.
Fifth-seeded Nancy Richey defeated Ann Jones in the final, 5–7, 6–4, 6–1 to win the women's singles tennis title at the 1968 French Open. It was Richey's first French open title and second Grand Slam title after the 1967 Australian Championships. Françoise Dürr was the defending champion but was defeated in the fourth round by Gail Sherriff. The tournament was the first Grand Slam tournament of the Open Era, in which professionals were allowed to compete against amateurs.
Annette Van Zyl, also known by her married name as Annette du Plooy, is a South African former tennis player. She was ranked in the top ten female players during the mid 1960s, and in 1966 she won the French Open Mixed Doubles title with Frew McMillan, defeating Ann Haydon-Jones and Clark Graebner in three sets.
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 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 1975 Commercial Union Assurance Grand Prix and of the 1975 WTA Tour. The tournament was held from August 11 through August 17, 1975.
The 1976 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 1976 Commercial Union Assurance Grand Prix. It was the 73rd edition of the tournament and was held from 23 November through 30 November 1976. Harold Solomon and Brigitte Cuypers won the singles titles.
The 1975 South African Open was a combined men's and women's tennis tournament played on outdoor hard courts in Johannesburg, South Africa. The men's events were part of the 1975 Commercial Union Assurance Grand Prix. It was the 72nd edition of the tournament and was held from 17 November through 25 November 1975. Harold Solomon and Annette du Plooy won the singles titles.
The 1971 U.S. Clay Court Championships was a combined men's and women's tennis tournament that was part of the 1971 Grand Prix circuit and categorized as a Group B event. The event was held in Indianapolis, USA and played on outdoor clay courts. It was the 3rd edition of the tournament in the Open Era and was held in from August 16 through August 22, 1971. Željko Franulović and Billie Jean King won the singles titles.
The 1968 German Open Championships was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 60th edition of the tournament, the first one in the Open Era, and took place at the Am Rothenbaum in Hamburg, West Germany, from 5 August through 13 August 1968. John Newcombe and Annette Du Plooy won the singles titles.
The 1968 Dutch Open was a combined men's and women's tennis tournament staged at 't Melkhuisje in Hilversum, Netherlands. The tournament was played on outdoor clay courts and was held from 22 July to 28 July 1968. It was the 12th edition of the tournament and the first in the Open era of tennis. Bob Maud and Margaret Smith won the singles titles.
The 1969 Italian Open was a combined men's and women's tennis tournament that was played on outdoor clay courts at the Foro Italico in Rome, Italy. It was the 26th edition of the tournament and the first that was open to amateur and professional players. The event was held from 21 April through 28 April 1969 and finished a day late. The singles titles were won by second-seeded John Newcombe and Julie Heldman, the first American female player to win the title in 13 years.
The 1971 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor hard courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States and was part of the 1971 World Championship Tennis circuit. It was the 44th edition of the tournament and was held from August 2 through August 8, 1971. Sixth-seeded Ken Rosewall won the singles title, his third U.S. Pro title, and the accompanying $10,000 first-prize money. The final was watched by 5,500 spectators.
The 1969 Suisse Open Gstaad was a combined men's and women's professional tennis tournament played on outdoor clay courts in Gstaad, Switzerland. It was the 24thd edition of the tournament, the second in the Open Era, and was held from 22 July through 27 July 1969. Roy Emerson and Françoise Dürr won the singles titles.
The 1972 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor hard courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States and was part of the 1972 World Championship Tennis circuit. It was the 45th edition of the tournament and was held from July 31 through August 6, 1972. Bob Lutz defeated John Newcombe, Rod Laver and Cliff Drysdale prior to beating Tom Okker in the Finals.
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.
Arthur Ashe was the defending champion of the singles event at the ABN World Tennis Tournament, but did not participate in this edition.
The 1971 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 second edition of the tournament and was held from July 19 through July 25, 1971. The tournament was part of the 1971 World Championship Tennis circuit and offered total prize money of $50,000. The singles final was won by Tom Okker who earned $10,000 first-prize money.
The 1971 Belgian Open Championships was a men's tennis tournament staged at the Leopold Club in Brussels, Belgium that was part of the Grand Prix circuit and categorized as a Group B event. The tournament was played on outdoor clay courts and was held from 17 May until 23 May 1971. It was the fifth edition of the tournament and Cliff Drysdale won the singles title.
Cliff Drysdale [1] 
John Newcombe / 
Dennis Ralston [2] 
Rosie Reyes / 
Torben Ulrich 
