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.
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. Ashe became the first African-American man to win a major.
The 1970 Paris Open Indoor Championships was a men's Grand Prix tennis tournament played on indoor carpet courts. It was the 2nd edition of the Paris Open. It took place at the Palais omnisports de Paris-Bercy in Paris, France, and ran from 9 November through 15 November 1970.
The 1970 Queen's Club Championships, also known by its sponsored name Rothmans Open London Grass Court Championships, was a combined men's and women's tennis tournament played on grass courts at the Queen's Club in London in the United Kingdom. It was a non-tour event, i.e. not part of the 1970 Pepsi-Cola Grand Prix or 1970 World Championship Tennis circuit. It was the 71st edition of the tournament and was held from 15 June through 20 June 1970. First-seeded Rod Laver and Margaret Court won the singles titles. In the final Court was 2–6, 0–5 and 0–15 down against Winnie Shaw but recovered by winning 14 of the last 17 games.
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 1970 Dutch Open was a combined men's and women's tennis tournament staged in Hilversum, Netherlands. The tournament was played on outdoor clay courts and was held from 3 August until 9 August 1970. It was the 14th edition of the tournament. Tom Okker won the men's singles title and earned $3,000 first-prize money while Margaret Court won the women's singles event.
The 1968 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 23rd edition of the tournament and was held from July 22 through July 28, 1968. Cliff Drysdale and Annette du Plooy won the singles titles.
The 1969 South African Open was an independent combined men's and women's tennis tournament played on outdoor hard courts at Ellis Park in Johannesburg, South Africa. It was the 66th edition of the tournament and was held from 1 April through 12 April 1969. Rod Laver won the singles title in the men's division, while Billie Jean King won the singles titles in the women's.
The 1969 Monte Carlo Open was a combined men's and women's tennis tournament played on outdoor clay courts at the Monte Carlo Country Club in Roquebrune-Cap-Martin, France. It was the 63rd edition of the event and was held from 15 April through 21 April 1969. Tom Okker and Ann Jones won the singles titles.
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.
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 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 1973 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 group B of the World Championship Tennis (WCT) circuit. It was the third edition of the tournament and was held from April 17 through April 22, 1973 at the Julian J. Clark Tennis Stadium on the grounds of the Olde Providence Racquet Club in Charlotte, North Carolina in the United States. First-seeded Ken Rosewall won his second successive singles title at the event and earned $10,000 first-prize money.
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 1975 Citizen's Classic, also known as the Hong Kong Open, was a men's tennis tournament played on outdoor hard courts in Hong Kong. It was the third edition of the event and was held from 10 November through 16 November 1975. The tournament was part of the Grade B tier of the 1975 Grand Prix tennis circuit. Unseeded Tom Gorman won the singles title.
The 1976 United Virginia Bank Classic, also known as the Richmond WCT, 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 1976 World Championship Tennis circuit. It was the 11th edition of the tournament and was held from February 4 through February 8, 1976. First-seeded Arthur Ashe won the singles title and earned $17,000 first-prize money as well as 125 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.
The 1979 U.S. National Indoor Championships was a men's tennis tournament played on indoor carpet courts at the Racquet Club of Memphis in Memphis, Tennessee in the United States. The event was part of the 1979 Colgate-Palmolive Grand Prix circuit. It was the tenth edition of the tournament in the open era and was held from February 26 through March 4, 1979. First-seeded Jimmy Connors won the singles title and $40,000 first-prize money. It was his fifth singles title at the event after 1973–75 and 1978 which equaled the tournament record set by Wylie C. Grant.
The 1971 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 1971 World Championship Tennis circuit. It was held on indoor carpet courts at Laval University in Quebec City, Quebec in Canada. It was the inaugural edition of the tournament and was held from 26 July through 1 August 1971. Tom Okker won the singles title and earned $10,000 first-prize money.
Tom Okker [1] 
Marty Riessen [2] 
