The 1975 ATP Buenos Aires was a men's Grand Prix tennis circuit tournament played on outdoor clay courts in Buenos Aires, Argentina. The event was part of the 1975 Grand Prix circuit and was held from 10 November through 16 November 1975. First-seeded Guillermo Vilas won the singles title.
The 1980 Paris Open, also known that year as the Crocodile Open, was a Grand Prix tennis tournament played on indoor hard courts. It was the 11th edition of the Paris Open. It took place at the Palais omnisports de Paris-Bercy in Paris, France, from 27 October through 2 November 1980. Brian Gottfried won the singles title.
The 1979 Torneo Godó or Trofeo Conde de Godó was a men's tennis tournament that took place on outdoor clay courts in Barcelona, Catalonia, Spain. It was the 27th edition of the tournament and was part of the 1979 Grand Prix circuit. It was held from 8 October until 14 October 1979. Ninth-seeded Hans Gildemeister won the singles title.
The 1976 Suisse Open Gstaad was a men's tennis tournament played on outdoor clay courts in Gstaad, Switzerland. It was the 31st edition of the tournament and was held from 4 July through 11 July 1976. The tournament was part of the Grand Prix tennis circuit. Raúl Ramírez won the singles title.
The 1974 Swedish Open was a men's tennis tournament played on outdoor clay courts held in Båstad, Sweden. It was classified as a Group B category tournament and was part of the 1974 Grand Prix circuit. It was the 27th edition of the tournament and was held from 8 July until 14 July 1974. 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 1975 Richmond WCT, also known as the Fidelity Tournament for sponsorship reasons, was a men's professional tennis tournament. It was held on indoor carpet courts in Richmond. It was the tenth edition of the tournament and was held from 27 January through 2 February 1975. The tournament was part of the green group of the 1975 World Championship Tennis circuit. First-seeded Björn Borg won the singles title and the accompanying $12,000 first prize.
The 1974 British Hard Court Championships, also known by its sponsored name Rothmans British Hard Court Championships, was a combined men's and women's tennis tournament played on outdoor clay courts at The West Hants Club in Bournemouth, England. The men's event was part of the Grand Prix circuit and categorized as B class. The tournament was held from 20 May through 26 May 1974. Ilie Năstase and Virginia Wade won the singles titles.
The 1975 Barcelona WCT was a men's tennis tournament played on indoor carpet courts in Barcelona, Spain. The tournament was part of Green Group of the 1975 World Championship Tennis circuit. It was the third edition of the event and was held from 17 February through 23 February 1975. Second-seeded Arthur Ashe won the singles title.
The 1975 Austrian Open was a combined men's and women's tennis tournament played on outdoor clay courts. It was categorized as Grade B tournament and was part of the 1975 Commercial Union Assurance Grand Prix circuit. It took place at the Tennis stadium Kitzbühel in Kitzbühel Austria and was held from 7 July through 13 July 1975. Adriano Panatta and Sue Barker won the singles titles.
The 1977 Grand Prix German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 69th edition of the event and was part of the 1977 Colgate-Palmolive Grand Prix circuit and categorized as a four-star event. It took place at the Am Rothenbaum in Hamburg, West Germany, from 9 May through 15 May 1977. Paolo Bertolucci, after a victory in the final over title-holder Manuel Orantes, and Laura duPont won the singles titles.
The 1975 Rothmans International Trophy was a men's professional tennis tournament held on indoor carpet courts at the Royal Albert Hall in London, England. It was the fifth edition of the event and was held from 4 March until 8 March 1975. The tournament was a special non–ranking event on the 1975 World Championship Tennis circuit consisting of eight nations and 16 players. Mark Cox won the singles title.
The 1978 Berlin Open, also known as the International Championships of Berlin, was a men's tennis tournament staged in Berlin, West Germany that was part of the Grand Prix circuit. The tournament was played on outdoor clay courts and was held from 19 June until 25 June 1978. It was the fourth edition of the tournament and fifth-seeded Vladimír Zedník won the singles title.
The 1974 Trofeo Vat 69 was a men's tennis tournament played on outdoor clay courts in Florence, Italy that was part of the Group C tier of the 1974 Commercial Union Assurance Grand Prix circuit. It was the second edition of the tournament and was played from 6 May until 12 May 1974. Adriano Panatta won the singles title.
The 1979 Alitalia Florence Open was a men's tennis tournament played on outdoor clay courts in Florence, Italy that was part of the 1979 Colgate-Palmolive Grand Prix circuit. It was the seventh edition of the tournament and was played from 14 May until 20 May 1979. Second-seeded Raúl Ramírez won the singles title.
The 1980 Alitalia Open was a men's tennis tournament played on outdoor clay courts in Florence, Italy that was part of the 1980 Volvo Grand Prix circuit. It was the eighth edition of the tournament and was played from 12 May until 18 May 1980. Sixth-seeded Adriano Panatta won the singles title.
The 1981 Alitalia Open was a men's tennis tournament played on outdoor clay courts in Florence, Italy that was part of the 1981 Volvo Grand Prix circuit. It was the ninth edition of the tournament and was played from 11 May until 17 May 1981. First-seeded José Luis Clerc won the singles title.
The 1982 Florence Open was a men's tennis tournament played on outdoor clay courts in Florence, Italy that was part of the 1982 Volvo Grand Prix circuit. It was the tenth edition of the tournament and was played from 10 May until 16 May 1982. Second-seeded Vitas Gerulaitis won the singles title.
The 1980 Egyptian Open was a men's tennis tournament played on outdoor clay courts that was part of the 1980 Volvo Grand Prix circuit. It was the fifth edition of the tournament and was played in Cairo, Egypt from 3 March until 9 March 1980. First-seeded Corrado Barazzutti won the singles title.
The 1981 Egyptian Open was a men's tennis tournament played on outdoor clay courts that was part of the 1981 Volvo Grand Prix circuit. It was the fifth edition of the tournament and was played in Cairo, Egypt from 9 March until 15 March 1981. First-seeded Guillermo Vilas won the singles title.
Paolo Bertolucci [1] 
Hans Gildemeister / 
Pavel Huťka /