Second-seeded Ilie Năstase defeated Nikola Pilić 6–3, 6–3, 6–0 in the final to win the Men's Singles tennis title at the 1973 French Open. The tournament was also the first Grand Slam that Björn Borg competed in. Andres Gimeno was the defending champion, but lost in the second round to future champion Guillermo Vilas.
The 1976 Romika Cup, also known by as the Bavarian Tennis Championships, was a men's tennis tournament that was part of the Two Star category of the 1976 Grand Prix tennis circuit. The tournament was held at the MTTC Iphitos in Munich, West Germany and ran from 4 May through 9 May 1976. Manuel Orantes won the singles title.
The 1979 Romika Cup was a men's Grand Prix Tennis Circuit tennis tournament held at the MTTC Iphitos in Munich, West Germany. It was the 63rd edition of the tournament which was held from 22 May through 27 May 1979. First-seeded Manuel Orantes won the singles title.
The 1973 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the Toronto Lawn Tennis Club in Toronto in Canada that was part of the 1973 Commercial Union Assurance Grand Prix and of the 1973 WTA Tour. The tournament was held from August 20 through August 26, 1973.
The 1974 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the Toronto Cricket Skating and Curling Club in Toronto in Canada that was part of the 1974 Commercial Union Assurance Grand Prix and of the 1974 WTA Tour. The tournament was held from August 12 through August 18, 1974.
The 1973 Cincinnati Open was a combined men's and women's tennis tournament played on outdoor clay courts at the Queen City Racquet Club in Sharonville, Ohio in the United States that was part of the 1973 Commercial Union Assurance Grand Prix. The tournament was held from August 6 through August 12, 1973. Ilie Năstase and Evonne Goolagong won the singles titles.
The 1974 American Airlines Tennis Games was a men's tennis tournament played on outdoor hard courts. It was the 1st edition of the Indian Wells Masters and was an ATP sanctioned tournament but was not part of the WCT or Grand Prix seasons. The tournament was played in Tucson, Arizona and ran from March 18 through March 24, 1974. First-seeded John Newcombe won the singles title and $25,000 first-prize money.
The 1976 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 24th edition of the Torneo Godó tournament and was part of the Three Star category of the 1976 Grand Prix circuit. It was held from 18 October through 24 October 1976. Fourth-seeded Manuel Orantes won the singles title.
The 1974 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, Spain. It was the 22nd edition of the tournament and was part of the 1974 Grand Prix circuit. It was held from 14 October through 20 October 1974. Fourth-seeded Ilie Năstase won the singles title.
The 1973 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, Spain. It was the 21st edition of the tournament and was part of the 1973 Grand Prix circuit. It was held from 8 October until 14 October 1973. First-seeded Ilie Năstase 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 1973 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 and women's tournament were part of the 1973 Commercial Union Assurance Grand Prix. It was the 30th edition of the tournament and was held from 2 June through 10 June 1973. The singles titles were won by Ilie Năstase and Evonne Goolagong.
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 1978 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 Boston, USA. The event was part of the 1978 Grand Prix circuit. It was the 51st edition of the tournament and was held from August 21 through August 28, 1978. Despite pressure to switch to a hard court surface from the Association of Tennis Professionals (ATP) and some leading players, in line with the surface change made that year by the US Open which directly followed the Boston event, the tournament organization elected to remain a clay court tournament in 1978. Several top players including Björn Borg, Guillermo Vilas and Jimmy Connors elected not to play the tournament. Fourth-seeded and defending champion Manuel Orantes won the singles title and the accompanying $32,000 first-prize money. The final was delayed until Tuesday, August 29 due to rain.
The 1977 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 Boston, USA. The event was categorized as a 4 Star tournament and was part of the 1977 Grand Prix circuit. It was the 50th edition of the tournament and was held from August 22 through August 30, 1977. Third-seeded Manuel Orantes won the singles title and the accompanying $32,000 first-prize money as well as 125 Grand Prix ranking points. First-seeded Jimmy Connors withdrew after the quarterfinals due to a back injury.
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 1977 U.S. Clay Court Championships was a tennis tournament that was part of the men's Grand Prix and women's Colgate Series circuits. It was held in Indianapolis in the United States and played on outdoor clay courts at the Indianapolis Racquet Club. It was the 9th edition of the tournament in the Open Era and was held from August 8 through August 14, 1977. Second-seeded Manuel Orantes won the men's singles title and the accompanying $17,500 first-prize money.
The 1973 U.S. Clay Court Championships was a combined men's and women's tennis tournament held at the Woodstock Country Club in Indianapolis in the United States and played on outdoor clay courts. It was part of the men's Grand Prix and women's International Grand Prix. It was the fifth edition of the tournament and was held from August 13 through August 19, 1973. Second-seeded Manuel Orantes won the men's singles title and accompanying $16,000 prize money while Chris Evert took the women's title and the $6,000 first prize.
The 1981 Campionati Internazionali di Sicilia, also known as the Sicilian Grand Prix, was a men's tennis tournament played on outdoor clay courts in Palermo, Italy that was part of the 1981 Volvo Grand Prix. It was the third edition of the tournament and took place from 14 September until 20 September 1981. Unseeded Manuel Orantes won the singles title.
The 1972 Belgian Open Championships was a men's tennis tournament staged at the Leopold Club in Brussels, Belgium that was part of the Grand Prix circuit and categorized as a Group C event. The tournament was played on outdoor clay courts and was held from 8 May until 4 May 1972. It was the sixth edition of the tournament and Manuel Orantes won the singles title.
