John Patrick McEnroe Jr. is an American former professional tennis player. He was known for his shot-making and volleying skills, his rivalries with Björn Borg and Jimmy Connors, and his confrontational on-court behavior, which frequently landed him in trouble with umpires and tennis authorities.
The ITF Grand Prix Circuit was a professional tennis tour for male players that existed founded in 1970 as the ILTF Grand Prix Tennis Circuit it ran annually until 1989 when it and WCT Circuit were replaced by a single world wide ATP Tour.
World Championship Tennis (WCT) was a tour for professional male tennis players established in 1968 and lasted until the emergence of the ATP Tour in 1990. A number of tennis tournaments around the world were affiliated with WCT and players were ranked in a special WCT ranking according to their results in those tournaments.
The 1981 Volvo Grand Prix was the only men's professional tennis circuit held that year. It consisted of the four Grand Slam tournaments and the Grand Prix tournaments. The World Championship Tennis (WCT) Tour was incorporated into the Grand Prix circuit. The WCT tour consisted of eight regular tournaments, a season's final, three tournaments categorized as special events and a doubles championship. In total 89 tournaments were held divided over 29 countries. The circuit was administered by the Men's International Professional Tennis Council (MIPTC).
The 1980 Volvo Grand Prix was a men's professional tennis circuit held that year. It incorporated the four grand slam tournaments, the Grand Prix tournaments. The Grand Prix circuit is a precursor to the ATP Tour.
The 1973 WCT World Doubles, also known by its sponsored name Rothman's World Doubles Championship, was a men's tennis tournament played on indoor carpet courts at the Maurice Richard Arena in Montreal, Canada that was part of the 1973 World Championship Tennis circuit. It was the tour finals for the doubles season of the WCT Tour and featured the eight top-ranking teams. It was the inaugural edition of the tournament and was held from May 3 through May 7, 1973. The third-seeded team of Robert Lutz and Stan Smith won the title and earned $40,000 first-prize money.
The 1974 WCT World Doubles, also known by its sponsored name Rothman's World Doubles Championship, was a men's tennis tournament played on indoor carpet courts at the Maurice Richard Arena in Montreal, Canada that was part of the 1974 World Championship Tennis circuit. It was the tour finals for the doubles season of the WCT Tour and featured the eight top-ranking teams. It was the second edition of the tournament and was held from May 2 through May 5, 1974. The South African team of Bob Hewitt and Frew McMillan won the title and earned $40,000 first-prize money.
The 1977 WCT World Doubles was a men's tennis tournament played on indoor carpet courts at the Municipal Auditorium in Kansas City, Missouri, United States that was part of the 1977 World Championship Tennis circuit. It was the tour finals for the doubles season of the WCT Tour. The tournament was held from May 4 through May 8, 1977.
The 1979 WCT World Doubles, also known by its sponsored name Braniff Airways World Doubles Championship, was a men's tennis tournament played on indoor carpet courts at Olympia in London, England that was part of the 1979 Colgate-Palmolive Grand Prix. It was the tour finals for the doubles season of the WCT Tour section. The tournament was held from January 3 through January 7, 1979.
The 1981 WCT World Doubles was a men's tennis tournament played on indoor carpet courts at Olympia in London, England that was part of the 1981 Volvo Grand Prix. It was the tour finals for the doubles season of the WCT Tour section. The tournament was held from January 6 through January 11, 1981.
The 1982 WCT World Doubles was a tennis tournament played on indoor carpet courts at Olympia in London, Great Britain that was part of the 1982 World Championship Tennis circuit. It was the tour finals for the doubles season of the WCT Tour section. The tournament was held from January 6 through January 11, 1981.
The 1984 WCT World Doubles, also known by its sponsored name Barratt World Doubles Championship, was a men's tennis tournament played on indoor carpet courts at Royal Albert Hall in London, England that was part of the 1984 World Championship Tennis circuit. It was the tour finals for the doubles season of the WCT Tour section. The tournament was held from January 3 through January 8, 1984.
The 1985 WCT World Doubles, also known by its sponsored name WCT Fuji Film World Doubles Championships, was a men's tennis tournament played on indoor carpet courts at Royal Albert Hall in London, England that was part of the 1985 Nabisco Grand Prix. It was the tour finals for the doubles season of the WCT Tour section. It was the 13th edition of the tournament and was held from 1 January through 6 January 1985. Ken Flach and Robert Seguso won the title.
The 1986 WCT World Doubles was a tennis tournament played on indoor carpet courts at Royal Albert Hall in London, Great Britain that was part of the 1986 Nabisco Grand Prix. It was the tour finals for the doubles season of the WCT Tour section. The tournament was held from January 6 through January 12, 1986.
The 1983 WCT Tournament of Champions, also known by its sponsored name Mercedes Tournament of Champions, was a men's tennis tournament played on outdoor clay courts in Forest Hills, Queens, New York City in the United States that was part of the World Championship Tennis circuit. It was the seventh edition of the tournament and was held from May 1 through May 8, 1983. Second-seeded John McEnroe won the singles title.
The 1982 World Championship Tennis circuit was one of the two rival professional male tennis circuits of 1982. It was organized by World Championship Tennis (WCT).
The 1978 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 1978 Colgate-Palmolive Grand Prix circuit. It was the 72nd edition of the event and was held from 10 April through 16 April 1978. Raúl Ramírez, the no. 5 seed, won the singles title.
The 1981 Monterrey WCT was a men's tennis tournament played on indoor carpet courts in Monterrey, Mexico. The event was part of the WCT Tour which was incorporated into the 1981 Volvo Grand Prix circuit. It was the third edition of the tournament and was held from January 19 through January 25, 1981. Fourth-seeded Johan Kriek won the singles title.
The 1976 Monte Carlo WCT 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 World Championship Tennis (WCT) tour. It was the 71st edition of the event and was held from 13 April through 20 April 1976. Guillermo Vilas and Helga Masthoff won the singles titles.
The 1978 Richmond WCT, also known by its sponsored name United Virginia Bank Classic, was a men's tennis tournament played on indoor carpet courts in Richmond, Virginia, United States. The event was part WCT Tour which was incorporated into the 1978 Colgate-Palmolive Grand Prix circuit. It was the 13th edition of the tournament and was held from January 30 through February 5, 1978. Second-seeded Vitas Gerulaitis won the singles title.
Heinz Günthardt / 
Balázs Taróczy 
