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 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 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 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 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 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 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 third edition of the tournament and was held from 18 to 27 January 1973. The event was part of the 1973 World Championship Tennis circuit. Brian Fairlie won the singles title.
The 1975 Pacific Southwest Open was a men's tennis tournament played on indoor carpet courts at the UCLA Pauley Pavilion in Los Angeles, California in the United States. The tournament was classified as Grade AA and was part of the Grand Prix tennis circuit. It was the 49th edition of the tournament and ran from September 15 through September 21, 1975. First-seeded Arthur Ashe won the singles title and the $16,000 first place prize money.
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 1972 Washington Star International was a men's tennis tournament that was played on outdoor clay courts at the Washington Tennis Stadium in Washington, D.C. The event was part of the 1972 World Championship Tennis circuit. It was the fourth edition of the tournament and was held from July 17 through July 23, 1972. Tony Roche won the singles title after surviving a match point in the final against Marty Riessen and earned $10,000 first-prize money.
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 1972 Charlotte Tennis Classic – Singles was an event of the 1972 Charlotte Tennis Classic tennis tournament played at the Julian J. Clark Tennis Stadium in Charlotte, North Carolina in the United States from April 18 through April 23, 1972. Arthur Ashe was the defending singles champion but lost in the first round. Second-seeded Ken Rosewall won the singles title, defeating unseeded Cliff Richey in the final, 2–6, 6–2, 6–2.
The 1972 Fidelity WCT Tournament, also known as the Richmond WCT, was a men's professional tennis tournament that was part of the Group A of the 1972 World Championship Tennis circuit. It was held on indoor carpet courts at the Richmond Coliseum in Richmond, Virginia in the United States. It was the seventh edition of the tournament and was held from February 2 through February 6, 1972. First-seeded Rod Laver won the singles title and earned $10,000 first-prize money.
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 1973 Union Trust Classic – Singles was an event of the 1973 Union Trust Classic men's tennis tournament that was played in Merrifield, Virginia in the United States from March 19 through March 25, 1973. The draw comprised 32 players and four players were seeded. Stan Smith was the defending singles champion but did not take part in this edition. Unseeded Tom Okker won the title, defeating unseeded Arthur Ashe in the final, 6–3, 6–7(4–7), 7–6(7–3).
The 1973 Union Trust Classic – Doubles was an event of the 1973 Union Trust Classic men's tennis tournament that was played in Merrifield, Virginia in the United States from March 19 through March 25, 1973. The draw comprised 16 teams and four of them were seeded. Cliff Richey and Tom Edlefsen were the defending doubles champions but did not take part in this edition. First-seeded Tom Okker and Marty Riessen won the title, defeating unseeded Arthur Ashe and Roscoe Tanner in the final, 4–6, 7–6, 6–2.
The 1974 Xerox WCT Tennis Classic , also known as the Washington Indoor, was a men's tennis tournament played on indoor carpet courts at the Capital Centre in Landover, Maryland in the United States that was part of the Red Group of the 1974 World Championship Tennis circuit. It was the third edition of the tournament and was held from March 11 through March 17, 1974. First-seeded Ilie Năstase won the singles title and earned $10,000 first-prize money after defeating defending champion Tom Okker in the final.
Tom Okker [1] 
Marty Riessen [2]