The 1970 South American Open Championships was a men's tennis tournament that was part of the 1970 Pepsi-Cola Grand Prix and held in Buenos Aires, Argentina. It was the third edition of the tournament and ran from 31 October through 8 November 1970. It was played on outdoor clay courts. Željko Franulović won the singles title.
The 1975 Bavarian Tennis Championships was an men's Grand Prix tennis circuit tournament held in Munich, West Germany. The tournament was played on outdoor clay courts and was held from 7 May though 11 May 1975. Guillermo Vilas won the singles title.
The 1977 Fischer-Grand Prix was a tennis tournament played on indoor hard courts at the Wiener Stadthalle in Vienna, Austria that was part of the 1977 Colgate-Palmolive Grand Prix. It was the third edition of the tournament and was held from 24 October through 30 October 1977. Brian Gottfried won the singles title.
The 1983 Dutch Open was a Grand Prix tennis tournament staged in Hilversum, Netherlands. The tournament was played on outdoor clay courts and was held from 18 July until 24 July 1983. It was the 27th edition of the tournament. Tomáš Šmíd won the singles title.
The 1979 Dutch Open was a Grand Prix tennis tournament staged in Hilversum, Netherlands. The tournament was played on outdoor clay courts and was held from July 23 to July 29, 1979. It was the 23rd edition of the tournament. Balázs Taróczy won the singles title.
The 1970 Swedish Open was a combined men's and women's tennis tournament played on outdoor clay courts held in Båstad, Sweden and was part of the Grand Prix circuit of the 1970 Tour. It was the 23rd edition of the tournament and was held from 2 July through 12 July 1970. Dick Crealy and Peaches Bartkowicz won the singles titles.
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 1972 Torneo Godó or Trofeo Conde de Godó was a men's tennis tournament that took place on outdoor clay courts in Barcelona, Spain. It was the 19th edition of the tournament and was part of the 1972 Grand Prix circuit. It was held from 16 October until 23 October 1972. Fifth-seeded Jan Kodeš won the singles title.
The 1972 Grand Prix German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 64th edition of the event and was part of the 1972 Commercial Union Assurance Grand Prix circuit. It took place at the Am Rothenbaum in Hamburg, West Germany, from 5 June through 11 June 1972. Manuel Orantes and Helga Masthoff won the singles titles.
The 1971 U.S. Clay Court Championships was a combined men's and women's tennis tournament that was part of the 1971 Grand Prix circuit and categorized as a Group B event. The event was held in Indianapolis, USA and played on outdoor clay courts. It was the 3rd edition of the tournament in the Open Era and was held in from August 16 through August 22, 1971. Željko Franulović and Billie Jean King won the singles titles.
The 1975 Grand Prix German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 67th edition of the event and was part of the 1975 Commercial Union Assurance Grand Prix circuit. It took place at the Am Rothenbaum in Hamburg, West Germany, from 19 May through 25 May 1975. Manuel Orantes and Renáta Tomanová won the singles titles.
The 1975 Düsseldorf Grand Prix, also known by its sponsored name Agfa Colour Cup, was a men's Grand Prix tennis circuit tournament held in Düsseldorf, West Germany and played on outdoor clay courts. It was the sixth edition of the tournament and was held from 26 May though 1 June 1975. Second-seeded Jaime Fillol 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 1978 Mercedes Cup, was a men's tennis tournament played on outdoor clay courts and held at the Tennis Club Weissenhof in Stuttgart, West Germany that was part of the 1978 Grand Prix circuit. It was the inaugural edition of the tournament and was held from 17 July until 23 July 1978. Unseeded Ulrich Pinner won the singles title.
The 1976 Nice International Championships, was a men's tennis tournament played on outdoor clay courts at the Nice Lawn Tennis Club in Nice, France. It was a non-tour event, i.e. not part of the Grand Prix or World Championships Tennis circuits. It was the fifth edition of the tournament and was held from 4 April until 11 April 1976. Third-seeded Corrado Barazzutti won the title.
The 1972 Nice International Championships, was a men's tennis tournament played on outdoor clay courts at the Nice Lawn Tennis Club in Nice, France that was part of Group D of the 1972 Grand Prix circuit. It was the second edition of the tournament and was held from 17 April until 23 April 1972. Ilie Năstase won the 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 1974 Melia Trophy, also known as the Madrid Open, was a combined men's and women's tennis tournament played on outdoor clay courts at the Real Sociedad Hípica Española Club de Campo in Madrid, Spain. The men's tournament was classified as Group A category and was part of the 1974 Grand Prix circuit. It was the third edition of the tournament and was held from 7 October until 13 October 1974. Ilie Năstase and Helga Masthoff won the singles titles.
Jan Kodeš [1] 
Heidi Eisterlehner 
Ilie Năstase [2] 
