| 2003 Grand Prix Hassan II | |
|---|---|
| Date | April 7 – April 13 |
| Edition | 19th |
| Champions | |
| Singles | |
 | |
| Doubles | |
 | |
The 2003 Grand Prix Hassan II was a tennis tournament played on outdoor clay courts at the Complexe Al Amal in Casablanca in Morocco and was part of the International Series of the 2003 ATP Tour. It was the 19th edition of the tournament and was held from April 7 through April 13, 2003.
The 2003 Tata Open was a men's tennis tournament played on outdoor hard courts at the SDAT Tennis Stadium in Chennai in India and was part of the International Series of the 2003 ATP Tour. The tournament ran from 30 December 2002 through 5 January 2003. Second-seeded Paradorn Srichaphan won the singles title.
The 2003 BellSouth Open was a men's tennis tournament played on outdoor clay courts in Viña del Mar in Chile and was part of the International Series of the 2003 ATP Tour. It was the tenth edition of the tournament and ran from February 10 through February 16, 2003. David Sánchez won the singles title.
The 2006 Movistar Open was an ATP tournament held in Viña del Mar, Chile. The tournament was held from January 30 to February 6.
The 2003 Heineken Open was a tennis tournament played on outdoor hard courts at the ASB Tennis Centre in Auckland in New Zealand and was part of the International Series of the 2003 ATP Tour. The tournament ran from 6 January through 12 January 2003.
The 2001 Open 13 was a tennis tournament played on indoor hard courts at the Palais des Sports de Marseille in Marseille in France and was part of the International Series of the 2001 ATP Tour. The tournament ran from February 12 through February 19, 2001.
The 2005 Brasil Open was an ATP men's tennis tournament held in Salvador, Brazil. It was the fifth edition of the tournament and was held from February 14 to February 21. Rafael Nadal won the singles title.
The 2005 ATP Buenos Aires was an Association of Tennis Professionals men's tennis tournament held in Buenos Aires, Argentina. It was the 33rd edition of the event and was part of the International Series of the 2005 ATP Tour. The tournament was played on outdoor clay court and held from February 7 to February 14.
The 2006 ATP Buenos Aires was an Association of Tennis Professionals men's tennis tournament that was played on outdoor clay courts and held at the Buenos Aires Lawn Tennis Club in Buenos Aires, Argentina. It was the 34th edition of the event and was part of the International Series of the 2006 ATP Tour. The tournament was held from February 13 to February 20.
The 2005 Grand Prix Hassan II was an Association of Tennis Professionals tennis tournament held in Casablanca, Morocco. It was the 21st edition of the tournament and was held from April 4 to April 11.
The 2006 Grand Prix de Tennis de Lyon 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 International Series tournaments of the 2006 ATP Tour.It was the 20th edition of the tournament and took place from 23 October through 30 October 2006. Fourth-seeded Richard Gasquet won the singles title.
The 2004 Estoril Open was a tennis tournament played on outdoor clay courts at the Estoril Court Central in Oeiras in Portugal that was part of the International Series of the men's 2004 ATP Tour and of Tier IV of the women's 2004 WTA Tour. It was the 15th edition of the tournament for the men and was held from April 12 through April 18, 2004. Juan Ignacio Chela and Émilie Loit won the singles titles.
The 2002 Croatia Open was a tennis tournament played on outdoor clay courts at the ITC Stella Maris in Umag in Croatia and was part of the International Series of the 2002 ATP Tour. The tournament ran from July 15 through July 21, 2002.
The 2002 Idea Prokom Open was a combined men's and women's tennis tournament played on outdoor clay courts in Sopot in Poland that was part of the International Series of the 2002 ATP Tour and of Tier III of the 2002 WTA Tour. The tournament ran from 21 July through 28 July 2002.
The 2002 Campionati Internazionali di Sicilia was a men's tennis tournament played on outdoor clay courts in Palermo, Italy and was part of the International Series of the 2002 ATP Tour. It was the 24th edition of the tournament and ran from 23 September until 29 September 2002. Second-seeded Fernando González won the singles title.
The 2003 Allianz Suisse Open Gstaad was a tennis tournament played on outdoor clay courts at the Roy Emerson Arena in Gstaad in Switzerland and was part of the International Series of the 2003 ATP Tour. The tournament ran from July 7 through July 13, 2003.
The 2003 Idea Prokom Open was a combined men's and women's tennis tournament played on outdoor clay courts in Sopot, Poland, that was part of the International Series of the 2003 ATP Tour and of Tier III of the 2003 WTA Tour. The tournament ran from 28 July through 3 August 2003.
The 2003 Campionati Internazionali di Sicilia was a men's tennis tournament played on outdoor clay courts in Palermo, Italy and was part of the International Series of the 2003 ATP Tour. It was the 25th edition of the tournament and was held from 22 September until 28 September 2003. First-seeded Nicolás Massú won the singles title.
The 2005 Allianz Suisse Open Gstaad was a men's tennis tournament played on outdoor clay courts at the Roy Emerson Arena in Gstaad in Switzerland and was part of the International Series of the 2005 ATP Tour. It was the 60th edition of the tournament and was held from July 4 through July 10, 2004.
The 2006 Orange Prokom Open was the ninth edition of this men's tennis tournament and was played on outdoor clay courts. The tournament was part of the International Series of the 2006 ATP Tour. It took place in Sopot, Poland from July 31 through August 6, 2006.
The 2004 Generali Open was a men's tennis tournament played on outdoor clay courts at the Tennis Stadium Kitzbühel in Kitzbühel, Austria and was part of the International Series Gold of the 2004 ATP Tour. It was the 49th edition of the tournament and ran from 19 July until 25 July 2004. Third-seeded Nicolás Massú won the singles title.