The 1989 Nabisco Grand Prix was the only tennis circuit for male players held that year. It incorporated the four Grand Slam tournaments, one World Championship Tennis tournament and the Grand Prix tournaments.
The 1995 Grand Prix de Tennis de Lyon was a men's tennis tournament played on indoor carpet courts at the Palais des Sports de Gerland in Lyon, France, and was part of the World Series of the 1995 ATP Tour. It was the ninth edition of the tournament and was held from 16 October through 23 October 1995. Fourth-seeded Wayne Ferreira won the singles title.
The 1994 Grand Prix de Tennis de Lyon was a men's tennis tournament played on indoor carpet courts at the Palais des Sports de Gerland in Lyon, France, and was part of the World Series of the 1994 ATP Tour. It was the eighth edition of the tournament and ran from 17 October through 24 October 1994. Fifth-seeded Marc Rosset won the singles title, his second after 1990.
The 1990 Stockholm Open was a men's tennis tournament played on indoor carpet courts. It was the 22nd edition of the Stockholm Open and was part of the ATP Super 9 of the 1990 ATP Tour. It took place at the Stockholm Globe Arena in Stockholm, Sweden, from 22 October through 29 October 1990.
The 1989 Lipton International Players Championships was a tennis tournament played on outdoor hard courts. It was the 5th edition of the Miami Masters and was part of the 1989 Nabisco Grand Prix and of Category 5 of the 1989 WTA Tour. The tournament took place at the Tennis Center at Crandon Park in Key Biscayne, Florida in the United States from March 20 through April 3, 1989.
The 1988 Grand Prix de Tennis de Lyon was a men's tennis tournament played on indoor carpet courts at the Palais des Sports de Gerland in Lyon, France, and was part of the 1988 Nabisco Grand Prix. It was the second edition of the tournament and was held from 8 February through 15 February 1988. Unseeded qualifier Yahiya Doumbia won the singles title.
The 1992 Lyon Grand Prix was a men's tennis tournament played on indoor carpet courts. It was played at the Palais des Sports de Gerland in Lyon, France, and was part of the 1992 ATP Tour. It was the sixth edition of the tournament and took place from 19 October through 26 October 1992. First-seeded Pete Sampras won the singles title, his second consecutive at the event.
The 1989 Newsweek Champions Cup and the 1989 Virginia Slims of Indian Wells were tennis tournaments played on outdoor hard courts. It was the 16th edition of the Indian Wells Masters and was part of the 1989 Nabisco Grand Prix and of the Category 4 tier of the 1989 WTA Tour. Both the men's and women's events took place at the Grand Champions Resort in Indian Wells, California, in the United States. The men's tournament was played from March 13 through March 20, 1989, while the women's tournament was played from March 6 through March 12, 1989.
The 1989 Benson & Hedges Championships was a men's tennis tournament played on indoor carpet courts at the Wembley Arena in London, England that was part of the 1989 Nabisco Grand Prix. It was the 14th edition of the tournament and was held from 7 November until 12 November 1989. Second-seeded Michael Chang 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 Stella Artois Indoor was a men's tennis tournament played on indoor carpet courts at the Palatrussardi in Milan, Italy that was part of the Super Series of the 1989 Nabisco Grand Prix. The tournament was held from 13 February through 19 February 1989. Boris Becker won the singles title.
The 1989 Stella Artois professional tennis tournament was part of the ATP World Tour and was held in Milan, Italy. Boris Becker and Eric Jelen were the defending champions but only Jelen competed in 1989 with Wally Masur. Jelen and Masur lost in the first round to Paolo Canè and Michael Mortensen.
The 1989 ABN World Tennis Tournament was a men's tennis tournament played on indoor carpet courts at Rotterdam Ahoy in the Netherlands. It was part of the Super Series of the 1989 Nabisco Grand Prix. It was the 17th edition of the tournament and was held from 6 February through 12 February 1989. Second-seeded Jakob Hlasek won the singles title.
The 1989 Grand Prix de Tennis de Lyon – Singles was an event of the 1989 Grand Prix de Tennis de Lyon men's tennis tournament that was played at the Palais des Sports de Gerland in Lyon, France from 20 February until 27 February 1989. The draw comprised 32 players and eight were seeded. Unseeded Yahiya Doumbia was the defending champion but lost in the first round to Jakob Hlasek. Second-seeded John McEnroe won the singles title, defeating first-seeded Jakob Hlasek, in the final, 6–3, 7–6.
Brad Drewett and Broderick Dyke were the defending champions but did not compete that year.
The 1989 Banespa Open, also known as the Rio de Janeiro Open, was a men's tennis tournament played on indoor carpet courts in Rio de Janeiro, Brazil and was part of the 1989 Nabisco Grand Prix. It was the inaugural edition of the tournament and took place from 10 April through 16 April 1989. First-seeded Luiz Mattar won the singles title.
The 1990 Diet Pepsi Championships was a men's tennis tournament played on indoor carpet courts at the Wembley Arena in London, England. It was part of the 1990 ATP Tour. It was the 15th and last edition of the tournament and was held from 5 November until 11 November 1990. Seventh-seeded Jakob Hlasek won the singles title.
The 1990 Eurocard Classics was a tennis tournament played on indoor carpet courts. It was the 1st edition of the event known that year as the Eurocard Classics, and was part of the ATP Championship Series, double-week events of the 1990 ATP Tour, running concurrently with the 1990 Ebel U.S. Pro Indoor. It took place at the Hanns-Martin-Schleyer-Halle in Stuttgart, West Germany, from 19 February until 25 February 1990. Second-seeded Boris Becker won the singles title.
The 1990 Continental Grass Court Championships was a men's ATP-tennis tournament held in Rosmalen, Netherlands. It was played on outdoor grass courts and was part of the ATP World Series. It was the inaugural edition of the tournament and was held from 11 June through 17 June 1990. Unseeded Amos Mansdorf won the singles title.
The 1991 Swiss Indoors was a men's tennis tournament played on indoor hard courts at the St. Jakobshalle in Basel, Switzerland. The tournament was part of the World Series of the 1991 ATP Tour. It was the 22nd edition of the tournament and took place from 23 September until 29 September 1991. Sixth-seeded Jakob Hlasek won the singles title.
John McEnroe [1] 
Eric Jelen / 
Michael Mortensen [2] 