Guillermo Vilas is an Argentine former professional tennis player. Vilas was the No. 1 of the Grand Prix seasons in 1974, 1975 and 1977, and won four Grand Slam tournaments, one year-end Masters, nine Grand Prix Super Series titles and a total of 62 ATP titles. World Tennis, Agence France-Presse and Livre d'or du tennis 1977, among other rankings and publications, rated him as world No. 1 in 1977. In the ATP computer rankings, he peaked at No. 2 in April 1975, a position he held for a total of 83 weeks. He was inducted into the International Tennis Hall of Fame in 1991, two years after his first retirement.
The 1975 French Open was a tennis tournament that took place on the outdoor clay courts at the Stade Roland Garros in Paris, France. The tournament ran from 2 June until 15 June. It was the 79th staging of the French Open, and the second Grand Slam tennis event of 1975. Björn Borg won the men's singles title and Chris Evert won the women's single title.
Björn Borg defeated the defending champion Guillermo Vilas in the final, 6–1, 6–1, 6–3 to win the men's singles tennis title at the 1978 French Open. Borg did not lose a set during the tournament, and dropped only 32 games in total, which remains a French Open record.
Guillermo Vilas defeated the defending champion Jimmy Connors in the final, 2–6, 6–3, 7–6(7–4), 6–0 to win the men's singles tennis title at the 1977 US Open.
The 1973 South American Open, also known as the Argentine Open, was a men's tennis tournament that was played on outdoor clay courts in Buenos Aires, Argentina. The event was part of the 1973 Commercial Union Assurance Grand Prix circuit, categorized as Group B, and was held from 19 November through 25 November 1973. Guillermo Vilas won the singles title after first-seeded Björn Borg had to retire in the final after injuring his hand when he ran into the umpire's stand. He earned $7,000 first-prize money.
The 1976 World Championship Tennis Finals was a tennis tournament played on indoor carpet courts. It was the 6th edition of the WCT Finals and was part of the 1976 World Championship Tennis circuit. It was played at the Moody Coliseum in Dallas, Texas, in the United States and was held from May 4 through May 9, 1976.
The 1975 Torneo Godó or Trofeo Conde de Godó was a combined men's and women's tennis tournament that took place on outdoor clay courts in Barcelona, Spain. It was the 23rd edition of the tournament and the men's events were part of the 1975 Grand Prix circuit. It was held from 13 October until 19 October 1975. Björn Borg won the singles title.
The 1977 Torneo Godó or Trofeo Conde de Godó was a tennis tournament that took place on outdoor clay courts in Barcelona, Catalonia, Spain. It was the 25th edition of the tournament and was part of the 1977 Grand Prix circuit. It was held from 17 October 17 until 23 October 1977. First-seeded Björn Borg won the singles title.
The 1980 Monte Carlo Open was a men's tennis tournament played on outdoor clay courts at the Monte Carlo Country Club in Roquebrune-Cap-Martin, France that was part of the 1980 Volvo Grand Prix circuit. It was the 74th edition of the tournament and was held from 31 March through 6 April 1980. First-seeded Björn Borg won the singles title, his third after 1977 and 1979.
The 1974 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 1974 Commercial Union Assurance Grand Prix as a Group AA category event. It was the third edition of the tournament was held from 21 October through 27 October 1974. Guillermo Vilas won the singles title and the trophy was presented by Shah Mohammad Reza Pahlavi.
The 1977 Aryamehr Cup was a men's professional tennis tournament played on outdoor clay courts in Tehran in Iran. The event was part of the 1977 Colgate-Palmolive Grand Prix as a Five Star category event. It was the sixth and final edition of the tournament and was held from 3 October through 9 October 1977. Guillermo Vilas won the singles title.
The 1974 Italian Open was a combined men's and women's tennis tournament that was played by men on outdoor clay courts at the Foro Italico in Rome, Italy. The men's tournament was part of the 1974 Commercial Union Assurance Grand Prix circuit while the women's tournament was part of the Women's International Grand Prix circuit. The tournament was held from 26 May through 3 June 1974. The singles titles were won by third-seeded Björn Borg and first-seeded Chris Evert.
The 1976 Monte Carlo WCT 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. The men's tournament was part of the World Championship Tennis (WCT) tour. It was the 71st edition of the event and was held from 13 April through 20 April 1976. Guillermo Vilas and Helga Masthoff won the singles titles.
The 1975 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 1975 Grand Prix circuit. It was the 48th edition of the tournament and was held from August 19 through August 25, 1975. Second-seeded and defending champion Björn Borg won the singles title and the accompanying $16,000 first prize money. The tournament started a day late due to rain.
The 1980 Torneo Godó or Trofeo Conde de Godó was a men's tennis tournament that took place on outdoor clay courts at the Real Club de Tenis Barcelona in Barcelona, Catalonia, Spain. It was the 28th edition of the tournament and was part of the 1980 Grand Prix circuit. It was held from 6 October through 12 October 1980. Second-seeded Ivan Lendl won the singles title. Björn Borg, winner in 1975 and 1977, withdrew two days before the start of the event due to a knee injury.
The 1977 Louisville Open, also known as the Louisville International Tennis Classic, was a men's tennis tournament played on outdoor clay courts at the Louisville Tennis Center in Louisville, Kentucky, United States. It was the eighth edition of the tournament and was held from 25 July through August 1, 1977. The tournament was part of the Grand Prix tennis circuit and categorized as a Four Star event. The singles final was won by first-seeded Guillermo Vilas who received $20,000 first prize money. It was Vilas' third title win at the tournament after 1974 and 1975.
The 1979 Richmond WCT, also known by its sponsored name United Virginia Bank Classic, was a men's tennis tournament played on indoor carpet courts in Richmond, Virginia in the United States. The event was part WCT Tour which was incorporated into the 1979 Colgate-Palmolive Grand Prix circuit. It was the 14th edition of the tournament and was held from January 29 through February 4, 1979. First-seeded Björn Borg won the singles title.
The 1980 Nice International Open was a men's tennis tournament played on outdoor clay courts at the Nice Lawn Tennis Club in Nice, France, and was part of the 1980 Volvo Grand Prix. It was the ninth edition of the tournament and was held from 24 March until 30 March 1980. First-seeded Björn Borg won his second singles title at the event after 1977.
The 1980 Pepsi Grand Slam was a men's tennis tournament played on outdoor green clay courts at the Mission Hills Country Club in Boca Raton, Florida, United States It was an Association of Tennis Professionals (ATP) sanctioned special event that was not part of the 1980 Volvo Grand Prix circuit. It was the fifth edition of the tournament and was held from February 8 through February 10, 1980. Björn Borg won his fourth consecutive singles title at the event and earned $150,000 first prize money.
The 1979 Pepsi Grand Slam, officially the Pepsi-Cola Grand Slam of Tennis, was a men's tennis tournament played on outdoor green clay courts at the Mission Hills Country Club in Boca Raton, Florida, United States It was an Association of Tennis Professionals (ATP) sanctioned special event that was not part of the 1979 Colgate-Palmolive Grand Prix circuit. It was the fourth edition of the tournament and was held from February 10 through February 11, 1979. Björn Borg won his third consecutive singles title at the event and earned $150,000 first prize money.
Björn Borg [1] 
Ion Țiriac / 
Guillermo Vilas [2] 
