Derrick John Rostagno is a former professional tennis player from the United States.
The 1970 Australian Open was a tennis tournament played on Grass courts at the White City Stadium in Sydney, Australia from 19 to 27 January. It was the 58th edition of the Australian Open, the 16th held in Sydney, and the first Grand Slam of the year. Margaret Smith Court's win in the singles was the first step towards her achieving a Grand Slam.
The 1993 Qatar Open, known as the Qatar Mobil Open for sponsorship reasons, was an ATP Tour men's tennis tournament held in Doha, Qatar from 4 January until 11 January 1993. It was the inaugural edition of the tournament.
The 1995 Volvo International was a men's tennis tournament played on outdoor hard courts at the Cullman-Heyman Tennis Center in New Haven, Connecticut in the United States and was part of the Championship Series of the 1995 ATP Tour. It was the 23rd edition of the tournament and ran from August 14 through August 21, 1995. First-seeded Andre Agassi won the singles title.
The 1990 Sanremo Open was a men's tennis tournament played on outdoor clay courts held in Sanremo, Italy that was part of the World Series of the 1991 ATP Tour. It was the only edition of the tournament and was held from 30 July to 6 August 1991. Seventh-seeded Jordi Arrese 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 1990 Canadian Open was a tennis tournament played on outdoor hard courts. It was the 101st edition of the Canada Masters and was part of the Championship Series, Single-Week of the 1990 ATP Tour and of Tier I of the 1990 WTA Tour. The men's event took place at the National Tennis Centre in Toronto in Canada from July 23 through July 30, 1990, and the women's event at the du Maurier Stadium in Montreal in Canada from July 30 through August 6, 1990.
The 1990 Chevrolet Classic, also known as the Guarujá Open, was a men's tennis tournament held in Guarujá in Brazil and played on hardcourt. It was part of the World Series of the 1990 ATP Tour. It was the fifth edition of the tournament and took place from 5 February through 12 February 1990. Second-seeded Martín Jaite won the singles title.
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 1989 Athens Open was a men's tennis tournament played on outdoor clay courts in Athens in Greece that was part of the 1989 Nabisco Grand Prix. It was the fourth edition of the tournament and was held from 10 April through 16 April 1989. Second-seeded Ronald Agénor won the singles title.
The 1990 Geneva Open was a men's tennis tournament played on outdoor clay courts that was part of the World Series of the 1990 ATP Tour. It was the 11th edition of the tournament and was played at Geneva in Switzerland from 10 September through 17 September 1990. Second-seeded Horst Skoff won the singles title.
The 1990 KAL Cup Korea Open was a men's tennis tournament played on outdoor hard courts that was part of the World Series of the 1990 ATP Tour. It was the fourth edition of the tournament and was played in Seoul, South Korea from April 16 through April 23, 1990. Unseeded Alex Antonitsch won the singles title.
The 1991 Volvo International was a men's tennis tournament played on outdoor hard courts at the Cullman-Heyman Tennis Center in New Haven, Connecticut in the United States and was part of the Championship Series of the 1991 ATP Tour. It was the 19th edition of the tournament and ran from August 12 through August 19, 1991. Petr Korda won the singles title.
The 1996 Indonesia Open was a men's tennis tournament played on outdoor hard courts at the Gelora Senayan Stadium in Jakarta in Indonesia and was part of the World Series of the 1996 ATP Tour. It was the fourth edition of the tournament since its reboot in 1993 and ran from 8 January through 14 January 1996. Fifth-seeded Sjeng Schalken won the singles title.
The 1989 Lorraine Open was a men's tennis tournament played on indoor carpet courts in Nancy, France, and was part of the 1989 Nabisco Grand Prix. The tournament took place from 27 February through 5 March 1989. It was the 11th and final edition of the tournament. Third-seeded Guy Forget won the singles title.
The 1991 Tokyo Indoor, also known by its sponsored name Seiko Super Tennis, was a men's tennis tournament played on indoor carpet courts in Tokyo, Japan that was part of the IBM 1991 ATP Tour and was an ATP Championship Series event. It was the 14th edition of the tournament and was held from 8 October through 14 October 1991. Matches were the best of three sets. First-seeded Stefan Edberg won the singles title.
The 1990 BP National Championships was a men's tennis tournament played on outdoor hard courts in Wellington in New Zealand and was part of the World Series of the 1990 ATP Tour. It was the third edition of the tournament and ran from 1 January through 7 January 1990. First-seeded Emilio Sánchez won the singles title.
Guy Forget defeated Pete Sampras in the final, 2–6, 7–6(7–4), 6–4 to win the singles tennis title at the 1991 Cincinnati Masters.
The 1991 Prudential-Bache Securities Classic was a men's tennis tournament played on outdoor hard courts in Orlando, Florida, United States that was part of the ATP World Series of the 1991 ATP Tour. It was the seventh edition of the tournament and took place from April 1 through April 7, 1991. First-seeded Andre Agassi won the singles title, his second at the event after 1989.
Brad Gilbert was the defending champion, but lost in the quarterfinals to MaliVai Washington.
Derrick Rostagno 
