The 1979 ATP Buenos Aires was a men's Grand Prix tennis circuit tournament held in Buenos Aires, Argentina that was played on outdoor clay courts. It was the 13th edition of the tournament and was held from 19 November through 25 November 1979. Guillermo Vilas won the singles title.
The 1978 Romika Cup was a men's Grand Prix Tennis Circuit tournament held in Munich, West Germany. It was the 62nd edition of the tournament and was held from 23 May through 28 May 1978. It is now part of the ATP Tour. First-seeded Guillermo Vilas won the singles title, his second after 1975.
The 1979 Volvo International was a men's professional tennis tournament played on outdoor clay courts in North Conway, New Hampshire in the United States and was part of the 1979 Colgate-Palmolive Grand Prix. It was the 7th edition of the tournament and was held from July 30 through August 5, 1979. Fourth-seeded Harold Solomon won the singles title.
The 1979 Australian Hard Court Championships, also known as the Tasmanian Open, was a men's tennis tournament that was played on the Grand Prix tennis circuit from 1 January until 7 January 1979. The event was held at the Doman Tennis Centre in Hobart, Australia and was played on outdoor hardcourts, this was the 35th edition. First-seeded Guillermo Vilas won the singles title and earned $8,000 first-prize money.
The 1975 Dutch Open was a men's tennis tournament staged at 't Melkhuisje in Hilversum, Netherlands which was part of the Group B tier of the 1975 Grand Prix. The tournament was played on outdoor clay courts and was held from 20 July to 27 July 1975. It was the 19th edition of the tournament, and first-seeded Guillermo Vilas won his second consecutive singles title at the event.
The 1974 Dutch Open was a men's tennis tournament staged at 't Melkhuisje in Hilversum, Netherlands that was part of the Group C tier of the 1974 Commercial Union Assurance Grand Prix circuit. The tournament was played on outdoor clay courts and was held from 21 July until 28 July 1974. It was the 18th edition of the tournament. First-seeded Guillermo Vilas won the singles title and earned $5,000 first-prize money. For the first time no women's events were held.
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 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 1975 Washington Star International was a men's tennis tournament and was played on outdoor clay courts. It was categorized as an AA tournament and was part of the 1975 Grand Prix circuit. It was the seventh edition of the tournament and was held in Washington, D.C. from July 21 through July 28, 1975. Guillermo Vilas won the singles title and $16,000 prize money and a car in a final that was twice interrupted due to rain. Total attendance during the tournament was 55,000.
The 1979 U.S. Clay Court Championships was a men's Grand Prix and women's Colgate Series tennis tournament. The event was held for the first time at the newly built Indianapolis Sports Center in Indianapolis in the United States and played on outdoor clay courts. It was the 11th edition of the tournament in the Open Era and was held in from August 6 through August 12, 1979. First-seeded Jimmy Connors won the men's singles title and the $25,000 first-prize money. First-seeded Chris Evert-Lloyd claimed the women's singles title and $20,000 first-prize money.
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 Washington Star International was a men's tennis tournament and was played on outdoor clay courts in Washington, D.C., USA. It was part of the 1977 Grand Prix circuit and categorized as a 4 star event. It was the 9th edition of the tournament and was held in Washington, D.C. from July 18 through July 25, 1977. First-seeded Guillermo Vilas won the singles title, his second after 1975, and earned the $20,000 first-prize money. The singles final was delayed for two hours due to rain.
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 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 1978 German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. The men's tournament was part of the 1978 Colgate-Palmolive Grand Prix circuit, categorized as a four-star event, while the women's tournament was part of the Colgate Series and classified as an A category event. It was the 70th edition of the tournament and took place at the Am Rothenbaum in Hamburg, West Germany, from 15 May through 21 May 1978. Guillermo Vilas and Mima Jaušovec, both first-seeded, won the singles titles.
The 1981 Washington Star International was a men's tennis tournament and was played on outdoor clay courts. The event was part of the 1981 Grand Prix circuit. It was the 13th edition of the tournament and was held at Rock Creek Park in Washington, D.C. from July 20 through July 26, 1981. Third-seeded José Luis Clerc won the singles title.
The 1982 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the Super Series of the 1982 Volvo Grand Prix circuit. It was the 55th edition of the tournament and was held from July 12 through July 18, 1982. First-seeded Guillermo Vilas won the singles title.
The 1980 German Open Championships was a men's tennis tournament played on outdoor clay courts at Am Rothenbaum in Hamburg, West Germany that was part of the Super Series of the 1980 Grand Prix circuit. It was the 72nd edition of the event and took place from 12 May until 18 May 1980. Second-seeded Harold Solomon won the singles title.
The 1979 Swiss Championships was a men's tennis tournament played on outdoor clay courts in Gstaad, Switzerland. It was the 34th edition of the tournament and was held from 9 July until 15 July 1979. The tournament was part of the 1979 Grand Prix tennis circuit and offered total prize money of $75,000. Third-seeded Ulrich Pinner won the singles title.
The 1978 Mutual Benefit Life Open, also known as the South Orange Open, was a men's tennis tournament played on outdoor clay courts at the Orange Lawn Tennis Club in South Orange, New Jersey in the United States. The event was part of the 1978 Grand Prix circuit. It was the ninth edition of the tournament and was held from July 31 through August 6, 1978. First-seeded Guillermo Vilas won his second consecutive singles title at the event and earned $15,000 first-prize money.
Guillermo Vilas [1] 
Marty Riessen / 
