Peter Leslie Doohan was an Australian tennis player who won three consecutive Australian Hard Court Championships singles titles, which remains an Open era record for that tournament. He won a further two singles titles at the South Australian Open in 1984 and San Louis Potosí tournament in Mexico in 1988. He also won five doubles titles during his career. The right-hander reached his highest Association of Tennis Professionals (ATP) singles ranking of world No. 43 in August 1987.
The 1993 Australian Men's Hardcourt Championships was an ATP men's tennis tournament held at Memorial Drive in Adelaide, Australia from 4 January until 10 January 1993. It was played on outdoor hard courts and was part of the World Series of the 1993 ATP Tour. It was the 49th edition of the tournament. Unseeded Nicklas Kulti won the singles title.
The 2005 Next Generation Hardcourts was a men's Association of Tennis Professionals tennis tournament held in Adelaide, Australia that was part of the International Series of the 2005 ATP Tour. Second-seeded Joachim Johansson won his first title of the year and the 2nd of his career.
The 1991 Australian Men's Hardcourt Championships was a men's tennis tournament played on indoor hard courts in Adelaide, Australia and was part of the ATP World Series of the 1991 ATP Tour. It was the 14th edition of the tournament and was held from 31 December 1990 to 7 January 1991. Unseeded Nicklas Kulti won the singles title.
The 1990 Australian Men's Hardcourt Championships was a tennis tournament played on outdoor hard courts at the Memorial Drive Park in Adelaide, Australia and was part of the World Series Free Week of the 1990 ATP Tour. It was the 46th edition of the tournament and was held from 1 January through 7 January 1990. Third-seeded Thomas Muster won the singles title.
The 1987 South Australian Open was a men's Grand Prix tennis circuit tournament played on outdoor grass courts in Adelaide, Australia. It was the 86th edition of the tournament and was held from 30 December 1986 until 5 January 1987. Seventh-seeded Wally Masur won the singles title.
The 1988 South Australian Open also known for this event as the Australian Hard Court Championships was a Grand Prix tennis circuit tournament held at Memorial Drive in Adelaide, Australia. The tournament was held from 28 December 1987 to 5 January 1988. Third-seeded Mark Woodforde won the singles title.
The 1985 South Australian Open was a men's Grand Prix tennis tournament held in Adelaide, Australia. It was held on outdoor grass courts. The tournament was held from 16 December through 22 December. Unseeded qualifier Eddie Edwards won the singles title.
The 1983 South Australian Open was a men's professional tennis tournament held in Adelaide, Australia. The event was part of the 1983 Grand Prix circuit and was played on outdoor grass courts. It was the seventh edition of the tournament and was held from 29 December to 2 January 1984. Fifth-seeded Mike Bauer won the singles title.
The 1977 Marlboro South Australian Men's Tennis Classic was a men's tennis tournament played on outdoor grass courts in Adelaide, Australia. The event was part of the 1977 Grand Prix circuit and categorized as a two–star event. It was the 77th edition of the tournament and was held from 10 January through 16 January 1977. The singles title and $13,500 prize money was won by Victor Amaya.
The 1988 Bristol Open was a tennis tournament played on grass courts that was part of the 1988 Nabisco Grand Prix. It was played at Bristol in Great Britain from 13 June to 20 June 1988.
The 1984 Tel Aviv Open was a men's tennis tournament played on hard courts that was part of the 1984 Volvo Grand Prix. It was played at the Israel Tennis Centers in the Tel Aviv District city of Ramat HaSharon, Israel from September 10 through September 17, 1984. It was the fifth edition of the tournament. First-seeded Aaron Krickstein won the singles title.
The 1985 Livingston Open was a men's tennis tournament played on outdoor hard courts that was part of the 1985 Nabisco Grand Prix. It was played at Newark Academy in Livingston, New Jersey in the United States from July 22 through July 29, 1985. Second-seeded Brad Gilbert won the singles title.
The 1989 GTE U.S. Men's Hard Court Championships was a men's tennis tournament played on outdoor hard courts at the Indianapolis Tennis Center in Indianapolis, Indiana in the United States that was part of the 1989 Nabisco Grand Prix. It was the second edition of the tournament and was held from August 7 through August 13, 1989. Second-seeded John McEnroe won the singles title.
The 1989 BP National Championships was a men's tennis tournament played on outdoor hard courts in Wellington, New Zealand and was part of the 1989 Nabisco Grand Prix. It was the 2nd edition of the tournament and was held from 2 January through 8 January 1989. Eighth-seeded Kelly Evernden won the singles title.
The 1985 Melbourne Outdoor, also known as the 1985 Jason Victorian Open, was a Grand Prix tournament held in Melbourne, Australia. It was the third edition of the tournament and was held from 23 to 29 December and was played on outdoor grass courts. Second-seeded Jonathan Canter won the singles title.
The 1989 Bavarian Tennis Championships was an Association of Tennis Professionals men's tennis tournament held in Munich, West Germany. The tournament was held from 1 May through 7 May 1989. Andrei Chesnokov won the singles title.
The 1988 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 1988 Nabisco Grand Prix. It was the 62nd edition of the tournament and was held from September 19 through September 25, 1988. Fourth-seeded Mikael Pernfors won the singles title and earned $59,500 first-prize money.
The 1984 Black & Decker Indoor Championships, also known as the Melbourne Indoor Championships, was an Association of Tennis Professionals men's tournament played on indoor carpet courts at the Festival Hall in Melbourne, Victoria, Australia. It was the fourth edition of the tournament, which was part of the 1984 Grand Prix tennis circuit, and was held from 14 October until 20 October 1984. Unseeded Matt Mitchell won the singles title.
The 1984 GWA Mazda Tennis Classic was a men's tennis tournament played on indoor carpet courts in Brisbane, Queensland in Australia that was part of the 1984 Volvo Grand Prix. It was the second edition of the tournament and was held from 1 October through 7 October 1984. First-seeded Eliot Teltscher won the singles title.
Peter Doohan [1] 
