Defending champion Guillermo Vilas defeated John Sadri in the final, 7–6(7–4), 6–3, 6–2 to win the men's singles tennis title at the 1979 Australian Open. It was his second Australian Open title and fourth and last major singles title overall.
The 1977 New Zealand Open was a men's professional tennis tournament played on outdoor grass courts in Auckland, New Zealand that was held from 10 January through 16 January 1977. First-seeded Vijay Amritraj won the singles title.
The 1979 New Zealand Open was a men's professional tennis tournament. The event was part of the 1979 Grand Prix circuit and was held in Auckland, New Zealand. It was the 12th edition of the tournament and was played on outdoor hardcourts and was held from 2 January through 8 January 1979. Eighth-seeded Tim Wilkison won the singles title.
The 1981 Benson and Hedges Open was a men's professional tennis tournament held at the Stanley Street Tennis Stadium in Auckland, New Zealand which was part of the 1981 Grand Prix circuit. It was the 14th edition of the tournament and was held from 5 January through 11 January 1981. First-seeded Bill Scanlon won the singles title.
The 1982 Benson and Hedges Open was a men's professional tennis tournament held in Auckland, New Zealand. The event was part of the 1982 Grand Prix circuit. It was the 15th edition of the tournament and was played on outdoor hardcourts and was held from 11 January through 17 January 1982. Second-seeded Tim Wilkison won the singles title.
First-seeded John Sadri defeated Tim Wilkison 6–4, 3–6, 6–3, 6–4 to win the 1980 Benson and Hedges Open singles competition. Wilkison was the defending champion.
The 1989 Bristol Open was a men's tennis tournament played on grass courts in Bristol in England that was part of the 1989 Nabisco Grand Prix. It was the tenth and last edition of the tournament and was held from 19 to 26 June 1989. Fourth-seeded Eric Jelen won the singles title.
The 1979 Custom Credit Australian Indoor Championships was a men's tennis tournament played on indoor hard courts at the Hordern Pavilion in Sydney, Australia and was part of the 1979 Colgate-Palmolive Grand Prix. It was the seventh edition of the tournament and was held from 15 October through 21 October 1979. First-seeded Vitas Gerulaitis won the singles title.
The 1981 Fischer-Grand Prix was a men's tennis tournament played on indoor hard courts at the Wiener Stadthalle in Vienna in Austria that was part of the 1981 Volvo Grand Prix. It was the seventh edition of the tournament and was held from 19 October until 25 October 1981. First-seeded Ivan Lendl won the singles title.
The 1984 Fischer-Grand Prix was a men's tennis tournament played on indoor hard courts at the Wiener Stadthalle in Vienna, Austria that was part of the 1984 Volvo Grand Prix. It was the tenth edition of the tournament and was held from 22 October until 29 October 1984. Eighth-seeded Tim Wilkison won the singles title.
The 1979 Volvo International was a men's professional tennis tournament played on outdoor clay courts in North Conway, New Hampshire in the United States and was part of the 1979 Colgate-Palmolive Grand Prix. It was the 7th edition of the tournament and was held from July 30 through August 5, 1979. Fourth-seeded Harold Solomon won the singles title.
The 1989 Volvo U.S. National Indoor was a men's tennis tournament played on indoor hard courts at the Racquet Club of Memphis in Memphis, Tennessee in the United States that was part of the 1989 Nabisco Grand Prix. It was the 19th edition of the tournament was held from February 13 through February 19, 1989. Sixth-seeded Brad Gilbert won the singles title.
The 1985 Lorraine Open was a men's tennis tournament played on indoor carpet courts in Nancy, France, and was part of the 1985 Nabisco Grand Prix. The tournament took place from 18 March through 24 March 1985. First-seeded Tim Wilkison won the singles title.
The 1986 Hall of Fame Tennis Championships, also known as the 1986 Volvo Tennis Hall of Fame Championships for sponsorship reasons, was a men's tennis tournament played on outdoor grass courts and part of the Nabisco Grand Prix circuit. held. It was the 11th edition of the tournament and was held at the International Tennis Hall of Fame in Newport, Rhode Island, USA from July 7 through July 13, 1986. Unseeded Bill Scanlon won the singles title and $20,000 first prize money.
The 1984 Swiss Indoors was a men's tennis tournament played on indoor hard courts at the St. Jakobshalle in Basel, Switzerland that was part of the 1984 Volvo Grand Prix. It was the 15th edition of the tournament and was held from 8 October through 14 October 1984. Third-seeded Joakim Nyström won the singles title.
The 1980 Island Holidays Classic, also known as the Hawaii Open, was a men's tennis tournament played an outdoor hard courts in Maui, Hawaii, in the United States that was part of the 1980 Volvo Grand Prix circuit. It was the seventh edition of the tournament and was held from September 29 through October 5, 1980. Fourth-seeded Eliot Teltscher won the singles title.
The 1987 Volvo Tennis Los Angeles 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 that was part of the 1987 Volvo Grand Prix circuit. It was the 61st edition of the Pacific Southwest tournament and was held from September 21 through September 27, 1987. Third-seeded David Pate won the singles title and earned $50,000 first-prize money.
The 1980 Hortico Melbourne Indoor Championships was an Association of Tennis Professionals men's tournament played on indoor carpet courts in the Frankston suburb of Melbourne, Victoria, Australia. It was the inaugural edition of the tournament, which was part of the 1980 Grand Prix tennis circuit, and was held from 20 October until 26 October 1980. First-seeded Vitas Gerulaitis won the singles title.
The 1980 Lagos Classic, also known by it sponsored name Dunlop-NTC Classic, was a men's tennis tournament played on outdoor hard courts at the Lagos Lawn Tennis Club in Lagos, Nigeria which was part of the 1980 Grand Prix circuit. It was the fourth edition of the tournament and was held from 25 February until 2 March 1980. First-seeded Peter Feigl won the singles title.
The 1979 Egyptian Open was a men's tennis tournament played on outdoor clay courts that was part of the 1979 Colgate-Palmolive Grand Prix. It was the fourth edition of the tournament and was played in Cairo, Egypt from 9 April until 15 April 1979. Third-seeded Peter Feigl won the singles title.
John Sadri [1] 
Peter Feigl / 
Rod Frawley [2]