The 1972 Commercial Union Assurance Grand Prix was a professional tennis circuit held that year and organized by the International Lawn Tennis Federation (ILTF). It consisted of 33 Grand Prix tournaments in different categories including three of the four Grand Slam tournaments and was followed by a season-ending Masters tournament. The circuit ran from February through November.
The 1970 Washington Star International was a men's tennis tournament and was played on outdoor clay courts. It was the second edition of the tournament and was part of the 1970 Grand Prix circuit and categorized as a Class 2 event. It was held at the Rock Creek Park in Washington, D.C. from July 13 through July 19, 1970. Cliff Richey won the singles title and earned a $7,000 first prize.
The 1970 U.S. Clay Court Championships was a combined men's and women's tennis tournament that was part of the Grand Prix. It was held at the Woodstock Country Club in Indianapolis, Indiana in the United States and played on outdoor clay courts. It was the 2nd edition of the tournament in the Open Era and was held in from 27 July through 2 August. Cliff Richey and Linda Tuero won the singles titles.
The 1970 Embassy British Indoor Championships was a combined men's and women's Grand Prix tennis tournament played on indoor carpet courts. It was the 3rd edition of the British Indoor Championships in the Open era. The tournament took place at the Wembley Arena in London in England and ran from 16 November until 21 November 1970.
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 1971 Embassy British Indoor Championships was a combined men's and women's Grand Prix tennis tournament played on indoor carpet courts. The event was categorized as a B Class tournament and was the 4th edition of the British Indoor Championships in the Open era. The tournament took place at the Wembley Arena in London in England and ran from 23 October through 30 October 1971.
The 1971 Monte Carlo Open was a combined men's and women's tennis tournament played on outdoor clay courts at the Monte Carlo Country Club in Roquebrune-Cap-Martin, France. The men's tournament was part of the 1971 Pepsi-Cola Grand Prix circuit. It was the 65th edition of the event and was held from 12 April through 17 April 1971. Ilie Năstase and Gail Chanfreau won the singles titles.
The 1981 Lorraine Open was a men's tennis tournament played on Indoor carpet courts. The event was part of the 1981 Volvo Grand Prix and was played in Nancy in France. It was the third edition of the tournament and was held from 16 March through 22 March 1981. Seventh-seeded Pavel Složil won the singles title.
The 1972 Baltimore International was a men's tennis tournament played on indoor carpet courts at the Towson State College in Baltimore, Maryland in the United States that was part of the 1972 USLTA Indoor Circuit. It was the inaugural edition of the event and was held from January 7 through January 9, 1972. Second-seeded Ilie Năstase won the singles title and earned $2,550 first-prize money.
The 1972 U.S. National Indoor Tennis Championships was a men's tennis tournament held at the Wicomico Youth and Civic Center in Salisbury, Maryland in the United States. The event was part of the 1972 USLTA Indoor Circuit and was also a Grade B event on the 1972 Grand Prix Circuit. It was the second edition of the tournament and was held from February 13 through February 20, 1972, and played on indoor hard courts. First-seeded national Stan Smith won the singles title and $9,000 first-prize money as well as 50 Grand Prix ranking points. It was his second singles title at the event after 1969.
The 1974 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 at the Richmond Coliseum in Richmond, Virginia in the United States. It was the ninth edition of the tournament and was held from January 29 through February 3, 1974. The tournament was part of the red group of the 1974 World Championship Tennis circuit. First-seeded Ilie Năstase won the singles title, his second at the event after 1971, and earned $10,000 first-prize money.
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 1977 Mexico City WCT was a men's tennis tournament played on indoor carpet courts in Mexico City, Mexico. The event was part of the 1977 World Championship Tennis circuit. It was the second edition of the tournament and was held from 8 March until 13 February 1977. Unseeded Ilie Năstase won the singles title.
The 1976 U.S. National Indoor Open Championships was a men's tennis tournament held at the Wicomico Youth and Civic Center in Salisbury, Maryland in the United States. The event was part of the 1976 USLTA-IPA Indoor Circuit. It was the sixth edition of the tournament and was held from February 14 through February 22, 1976, and played on indoor carpet courts. Second-seeded Ilie Năstase won the singles title and earned $9,000 first-prize money.
The 1972 National Indoor Championships, also known as the Hampton Indoor, was a men's tennis tournament played on indoor carpet courts at the Hampton Roads Coliseum in Hampton, Virginia in the United States that was part of Group C of the 1972 Grand Prix circuit as well as of the 1972 USLTA Indoor Circuit. It was the third edition of the tournament and was held from February 28 through March 5, 1972. First-seeded Stan Smith won the singles title and earned $9,000 first-prize money.
The 1972 Midlands International, also known as the Omaha International, was a men's tennis tournament played on indoor carpet courts at the City Auditorium in Omaha, Nebraska, in the United States that was part of the 1972 USLTA Indoor Circuit. It was the fourth edition of the event and was held from January 26 through January 30, 1972. First-seeded foreign player Ilie Năstase won the singles title and earned $3,000 first-prize money as well as 15 points for the Boise Cascade Classic ranking..
The 1973 Midlands International, also known as the Omaha International, was a men's tennis tournament played on indoor carpet courts at the City Auditorium in Omaha, Nebraska in the United States that was part of the 1973 USLTA Indoor Circuit. It was the fifth edition of the event and was held from January 23 through January 28, 1973. First-seeded Ilie Năstase won the singles title and earned $3,000 first-prize money after his opponent in the final, Jimmy Connors, retired with an ankle injury which he sustained in the semifinal. It was Năstase's third consecutive singles title at the event.
The 1976 Baltimore International was a men's tennis tournament played on indoor carpet courts at the University of Maryland Baltimore County Fieldhouse in Baltimore, Maryland in the United States. The event was part of the 1976 USTA-IPA Indoor Circuit. It was the fifth edition of the tournament and was held from January 20 through January 25, 1976. Unseeded Tom Gorman won the singles title and earned $12,000 first-prize money.
The 1971 National Indoor Championships, also known as the Hampton Indoor, was a men's tennis tournament played on indoor carpet courts at the Hampton Roads Coliseum in Hampton, Virginia in the United States that was part of the 1971 USLTA Indoor Circuit. It was the second edition of the tournament and was held from March 1 through March 7, 1971. First-seeded Ilie Năstase won the singles title and earned $10,000 first-prize money.
The 1970 Embassy British Indoor Championships – Men's singles was an event of the 1970 Embassy British Indoor Championships tennis tournament and was played on indoor carpet courts at the Wembley Arena in London in the United Kingdom between 16 November and 21 November 1970. The draw comprised 32 players of whom eight were seeded. Rod Laver was the reigning singles champion at the British Indoor Championships. First-seeded Laver retained his title by defeating third-seeded Cliff Richey in the final, 6–3, 6–4, 6–4.
Ilie Năstase [2] 
Clark Graebner / 
Thomaz Koch [3]