Defending champion Jan Kodeš successfully defended his title, defeating Ilie Năstase in the final, 8–6, 6–2, 2–6, 7–5 to win the men's singles tennis title at the 1971 French Open.
Stan Smith defeated Jan Kodeš in the final, 3–6, 6–3, 6–2, 7–6(5–3) to win the men's singles tennis title at the 1971 US Open.
Ilie Năstase defeated Arthur Ashe in the final, 3–6, 6–3, 6–7(1–5), 6–4, 6–3 to win the men's singles tennis title at the 1972 US Open.
Stan Smith defeated Ilie Năstase in the final, 4–6, 6–3, 6–3, 4–6, 7–5 to win the gentlemen's singles tennis title at the 1972 Wimbledon Championships. It was his only Wimbledon singles title, and his second and final major singles title.
Jan Kodeš defeated Alex Metreveli in the final, 6–1, 9–8(7–5), 6–3 to win the gentlemen's singles tennis title at the 1973 Wimbledon Championships. The final included a tie-break played at 8–8 in the second set; it was the first ever Wimbledon singles final to include a tie-break.
The 1973 Jean Becker Open, also known as the Paris Open, was a men's Grand Prix tennis tournament played on indoor hard courts. It was the 4th edition of the Paris Open. It took place at the Palais omnisports de Paris-Bercy in Paris, France, from 29 October until 4 November 1973. Ilie Năstase won the singles title.
The 1972 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 1972 Commercial Union Assurance Grand Prix The men's tournament was categorized as a Grade A tournament, the second-highest category, while the women's competition was a Grade D event. The tournament was held from August 14 through August 20, 1972. Ilie Năstase and Evonne Goolagong won the singles titles.
The 1975 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 1975 Commercial Union Assurance Grand Prix and of the 1975 WTA Tour. The tournament was held from August 11 through August 17, 1975.
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 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 1972 Commercial Union Assurance Grand Prix. It was the 29th edition of the tournament and was held from 24 April through 2 May 1972. The singles titles were won by Manuel Orantes and Linda Tuero.
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 1972 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. The tournament was part of the WCT Tour, which was incorporated into the 1972 Commercial Union Assurance Grand Prix circuit. It was the 66th edition of the event and was held from 27 March through 3 April 1972. Ilie Năstase won the singles title.
The 1971 Swedish Open was a combined men's and women's tennis tournament played on outdoor clay courts held in Båstad, Sweden. The event was classified as a Group C category tournament and was part of the 1971 Grand Prix circuit. It was the 24th edition of the tournament and was held from 5 July through 11 July 1971. Ilie Năstase and Helga Masthoff won the singles titles.
The 1970 Italian Open was a combined men's and women's tennis tournament that was played on outdoor clay courts at the Foro Italico in Rome, Italy. The men's tournament was initially part of the Grand Prix circuit but was withdrawn during the tournament when it became known that the organizers had paid management fees to the competing World Championship Tennis (WCT) organization in order for the WCT players to participate. The women's tournament was a non-tour event, i.e. not part of the Virginia Slims Circuit. The tournament was held from 20 April through 27 April 1970. The singles titles were won by Ilie Năstase and Billie Jean King.
The 1974 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 tournament was part of the 1974 Commercial Union Assurance Grand Prix circuit while the women's tournament was part of the Women's International Grand Prix circuit. The tournament was held from 26 May through 3 June 1974. The singles titles were won by third-seeded Björn Borg and first-seeded Chris Evert.
The 1973 Pacific Southwest Open was a men's tennis tournament played on outdoor hard courts at the Los Angeles Tennis Center in Los Angeles, California in the United States. The tournament was classified as Grade A and was part of the Grand Prix tennis circuit. It was the 47th edition of the tournament and ran from September 17 through September 23, 1973. Jimmy Connors won the singles title and the $11,000 first place prize money.
The 1975 Madrid Tennis Grand Prix, also known as the Trofeo Meliá, 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 1975 Grand Prix circuit. It was the fourth edition of the tournament and was held from 6 October through 12 October 1975. Jan Kodeš and Heidi Eisterlehner won the singles titles.
The 1971 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 1971 Grand Prix circuit. It was the inaugural edition of the tournament and was held from 29 March until 4 April 1971. Ilie Năstase won the title.
The 1972 Rainier International Tennis Classic was a men's tennis tournament staged Seattle, Washington in the United States that was part of the Grand Prix circuit and categorized as a Group C event. The tournament was played on outdoor hard courts and was held from September 11 until September 17, 1972. It was the inaugural edition of the tournament and Ilie Năstase won the singles title.
The 1975 U.S. National Indoor Tennis Championships was a men's tennis tournament held at the Wicomico Youth and Civic Center in Salisbury, Maryland. The event was part of the 1975 USLTA-IPA Indoor Circuit. It was the fifth edition of the tournament and was held from February 10 through February 16, 1975, and played on indoor carpet courts. Second-seeded Jimmy Connors won the singles title and earned $9,000 first-prize money.
Ilie Năstase [1] 
Jan Kodeš / 
Stan Smith [2] 