| 1999 Grand Prix Hassan II | |
|---|---|
| Date | 22–29 March |
| Edition | 15th |
| Category | World Series |
| Draw | 32S / 16D |
| Prize money | $215,000 |
| Surface | Clay / outdoor |
| Location | Casablanca, Morocco |
| Champions | |
| Singles | |
 Alberto Martín [1] | |
| Doubles | |
 Fernando Meligeni / Jaime Oncins [2] | |
The 1999 Grand Prix Hassan II was an Association of Tennis Professionals tennis tournament held in Casablanca, Morocco. It was the 15th edition of the Grand Prix Hassan II and was held from March 22 to March 29, 1999.
Alberto Martín defeated Fernando Vicente, 6–3, 6–4.
Fernando Meligeni / Jaime Oncins defeated 
Massimo Ardinghi / Vincenzo Santopadre, 6–2, 6–3.
The 1995 Grand Prix Hassan II was a men's Association of Tennis Professionals tennis tournament held in Casablanca, Morocco and played on outdoor clay courts. The event was part of the World Series of the 1995 ATP Tour. It was the 11th edition of the tournament and was held from 20 March to 27 March 1995. First-seeded Gilbert Schaller won the singles title.
The 1996 Rolling Rock U.S. Men's Clay Court Championships was a men's tennis tournament played on outdoor clay courts in Pinehurst, North Carolina in the United States and was part of the World Series of the 1996 ATP Tour. It was the 28th edition of the tournament and ran from May 6 through May 12, 1996. Unseeded Fernando Meligeni won the singles title.
The 1994 Grand Prix Hassan II was an ATP men's tennis tournament played on outdoor clay courts in Casablanca, Morocco that was part of ATP World Series of the 1994 ATP Tour. It was the 10th edition of the tournament and was held from 14 March until 21 March 1994. First-seeded Renzo Furlan won the singles title.
The 1992 Grand Prix Hassan II was an Association of Tennis Professionals men's tennis tournament held in Casablanca, Morocco and played on outdoor clay courts. It was part of the World Series of the 1992 ATP Tour. It was the 8th edition of the tournament and was held from 16 March until 23 March 1992. Second-seeded Guillermo Pérez Roldán won the singles title.
The 1993 Grand Prix Hassan II was an Association of Tennis Professionals men's tennis tournament held in Casablanca, Morocco and was part of the World Series of the 1993 ATP Tour. It was the 9th edition of the tournament and was held from 15 March until 22 March 1993. Third-seeded Guillermo Pérez Roldán won his second consecutive singles title at the event.
The 1996 Grand Prix Hassan II was a men's tennis tournament played on outdoor clay courts at the Complexe Al Amal in Casablanca in Morocco and was part of the World Series of the 1996 ATP Tour. It was the 12th edition of the tournament and was held from 25 March until 31 March 1996. Unseeded Tomás Carbonell won the singles title.
The 1997 Grand Prix Hassan II was a men's tennis tournament played on outdoor clay courts at the Complexe Al Amal in Casablanca, Morocco and was part of the World Series of the 1997 ATP Tour. It was the 13th edition of the tournament and was held from 24 March through 30 March 1997. Second-seeded Hicham Arazi won the singles title.
The 1998 Grand Prix Hassan II was an Association of Tennis Professionals men's tennis tournament played on outdoor clay courts in Casablanca, Morocco. It was the 14th edition of the tournament and was held from 23 March until 30 March 1998. Fourth-seeded Andrea Gaudenzi won the singles title.
The 2000 Grand Prix Hassan II was an Association of Tennis Professionals men's tennis tournament held in Casablanca, Morocco. It was the 16th edition of the tournament and was held from 10 April until 17 April 2000. Fernando Vicente won the singles title.
The 2004 Grand Prix Hassan II was an Association of Tennis Professionals tennis tournament held in Casablanca, Morocco. It was the 20th edition of the tournament and was held from May 17 to May 24.
The 2005 Grand Prix Hassan II was an Association of Tennis Professionals men's tennis tournament played on outdoor clay courts in Casablanca, Morocco. It was the 21st edition of the tournament and was held from 4 April until 11 April 2005. Sixth-seeded Mariano Puerta won the singles title.
The 2010 Grand Prix Hassan II was a men's tennis tournament played on outdoor clay courts. It was the 26th edition of the Grand Prix Hassan II, and an ATP Tour World 250 event on the 2010 ATP World Tour. It was the 26th edition of the tournament and took place at the Complexe Al Amal in Casablanca, Morocco, from 5 April through 11 April 2010. `First-seeded Stan Wawrinka won the singles title.
The 2001 International Raiffeisen Grand Prix was a men's tennis tournament played on outdoor clay courts in Sankt Pölten in Austria and was part of the International Series of the 2001 ATP Tour. It was the 21st edition of the tournament and took place from 21 May through 27 May 2001. Unseeded Andrea Gaudenzi, who entered the tournament on a wildcard, won the singles title.
The 2011 Grand Prix Hassan II was a men's tennis tournament played on outdoor clay courts. It was the 27th edition of the Grand Prix Hassan II, and an World Tour 250 event on the 2011 ATP World Tour. It took place at the Complexe Al Amal in Casablanca, Morocco, from 4 April until 10 April 2011. Unseeded Pablo Andújar won the singles title.
The 2012 Grand Prix Hassan II was a professional men's tennis tournament played on outdoor clay courts. It was the 28th edition of the tournament which was part of the ATP World Tour 250 category 2012 ATP World Tour. It took place in Casablanca, Morocco between 9 April and 15 April 2012. Third-seeded Pablo Andújar won the singles title.
The 2014 Grand Prix Hassan II was a professional men's tennis tournament played on outdoor clay courts. It is the 30th edition of the tournament, which is part of the World Tour 250 category of the 2014 ATP World Tour. It took place in Casablanca, Morocco between 7 and 13 April 2014. Eight-seeded Guillermo García López won the singles title.
The 1999 Mercedes Cup was a men's tennis tournament played on outdoor clay courts at the Tennis Club Weissenhof in Stuttgart, Germany and was part of the Championship Series of the 1999 ATP Tour. The tournament was held from 19 July until 25 July 1999. Unseeded Magnus Norman won the singles title.
The 1998 Paegas Czech Open, also known as the Prague Open, was a men's tennis tournament played on outdoor clay courts in Prague, Czech Republic that was part of the World Series of the 1998 ATP Tour. It was the twelfth edition of the tournament and was held from 27 April until 3 May 1998. Unseeded Fernando Meligeni won the singles title.
The 2015 Grand Prix Hassan II was a professional tennis tournament played on clay courts. It was the 31st edition of the tournament and part of the 2015 ATP World Tour. It took place in Casablanca, Morocco between 6 and 12 April 2015.
The 1997 Internazionali di Carisbo was a men's tennis tournament played on clay courts at the Cierrebi Club in Bologna in Italy and was part of the World Series of the 1997 ATP Tour. It was the 13th edition of the tournament and was held from 9 June through 15 June 1997. Second-seeded Félix Mantilla won the singles title.