The first 1977 ATP Buenos Aires official name the River Plate Championships, was an Association of Tennis Professionals men's tennis tournament that was played on outdoor clay courts at the Buenos Aires Lawn Tennis Club in Buenos Aires, Argentina and held from 14 April through 17 April 1977. First-seeded Guillermo Vilas won the singles title.
The second 1977 ATP Buenos Aires was a men's tennis tournament held in Buenos Aires, Argentina that was part of the Grand Prix circuit and played on outdoor clay courts. It was the 11th edition of the tournament and was held from 21 November through 27 November 1977. First-seeded 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 1978 Paris Open, also known as the French Indoor Championships, was a Grand Prix men's tennis tournament played on indoor carpet courts. It was the 9th edition of the Paris Open. It took place at the Palais omnisports de Paris-Bercy in Paris, France from 30 October through 5 November 1978. Bob Lutz won the singles title.
The 1979 Paris Open was a Grand Prix tennis tournament played on indoor carpet courts. It was the 10th edition of the Paris Open. It took place at the Palais omnisports de Paris-Bercy in Paris, France from 29 October through 4 November 1979. First-seeded Harold Solomon won the singles title.
The 1980 Tel Aviv Open was a men's tennis tournament played on outdoor hard courts that was part of the 1980 Volvo Grand Prix. It was played at the Israel Tennis Centers in the Tel Aviv District city of Ramat HaSharon, Israel and was held from October 6 to October 12, 1980. It was the second edition of the tournament. First-seeded Harold Solomon won the singles title.
The 1981 Volvo International was a men's tennis tournament played on outdoor clay courts in North Conway, New Hampshire in the United States and was part of the 1981 Volvo Grand Prix. The tournament ran from July 28 through August 3, 1981. José Luis Clerc 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 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 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 1977 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. It was classified as a Two Star category tournament and was part of the 1977 Grand Prix circuit. It was the eight edition of the tournament on the Grand Prix circuit and was held from July 31 through August 8, 1977. First-seeded Guillermo Vilas won the singles title.
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 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 ninth edition of the tournament and was held from July 25 through July 30, 1978. The tournament was part of the Grand Prix tennis circuit. The singles final was won by fifth-seeded Harold Solomon who received $24,000 first prize money and earned 175 ranking points. It was Solomon's second title win at the tournament after 1976.
The 1977 Nice International Championships, 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 1977 Colgate-Palmolive Grand Prix. It was the sixth edition of the tournament and was held from 28 March until 3 April 1977. First-seeded Björn Borg won the 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 German Open 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 1979 Grand Prix circuit. It was the 71st edition of the event and took place from 14 May until 20 May 1979. Sixth-seeded José Higueras 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 1977 Raquette d'Or was a men's tennis tournament staged in Aix-en-Provence, France that was part of the One star category of the 1977 Grand Prix circuit. The tournament was played on outdoor clay courts and was held from 26 September until 2 October 1977. It was the inaugural edition of the tournament. Ilie Năstase won the singles title. In a five-set final against Guillermo Vilas he had won the first two sets when Vilas retired in protest of Năstase's use of a spaghetti strung racquet.
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.
Harold Solomon [1] 
Ion Țiriac / 
Guillermo Vilas [2] 