# 1999 Grand Prix Hassan II – Singles

Andrea Gaudenzi was the defending champion, but did not participate this year.
Alberto Martín won the title, defeating Fernando Vicente 6–3, 6–4 in the final.

## Seeds

* Thomas Muster (first round)
* Fernando Meligeni (second round)
* Fernando Vicente (final)
* Karim Alami (first round)
* Albert Portas (quarterfinals)
* Stefan Koubek (quarterfinals)
* Alberto Martín (champion)
* Hernán Gumy (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Markus Hipfl | 1 | 0 | | | | |
| 3 | Fernando Vicente | 6 | 6 | | | | |
| 3 | Fernando Vicente | 6 | 6 | 3 | Fernando Vicente | 3 | 4 |
| | | | | 7 | Alberto Martín | 6 | 6 |
| Q | Juan Carlos Ferrero | 5 | 4 | 7 | Alberto Martín | 6 | 6 |
| 7 | Alberto Martín | 7 | 6 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals |
| 1 | T Muster | 4 | 6 | 4 | | | | | | | | | | | | | |
| | J Van Herck | 6 | 4 | 6 | | J Van Herck | 6 | 6 | | | | | | | | | |
| | G Cañas | 4 | 6 | 6 | | G Cañas | 3 | 4 | | | | | | | | | |
| | A Sá | 6 | 1 | 3 | | | | | | J Van Herck | 3 | 6 | 3 | | | | |
| | V Santopadre | 7$^7$ | 7$^7$ | | | | | | | M Hipfl | 6 | 1 | 6 | | | | |
| WC | T Ouahabi | 6$^0$ | 6$^4$ | | | V Santopadre | 4 | 3 | | | | | | | | | |
| | M Hipfl | 6 | 6 | | | M Hipfl | 6 | 6 | | | | | | | | | |
| 8 | H Gumy | 3 | 3 | | | | | | | | | | | | M Hipfl | 1 | 0 |
| 3 | F Vicente | 6 | 6 | | | | | | | | | | | 3 | F Vicente | 6 | 6 |
| Q | J Boutter | 1 | 3 | | 3 | F Vicente | 6 | 6 | | | | | | | | | |
| | M Carlsson | 6 | 7$^7$ | | | M Carlsson | 3 | 0 | | | | | | | | | |
| Q | C Auffray | 3 | 6$^3$ | | | | | | 3 | F Vicente | 6 | 6 | | | | | |
| | E Medica | 6 | 6 | | | | | | 6 | S Koubek | 2 | 3 | | | | | |
| WC | A Boetsch | 2 | 4 | | | E Medica | 5 | 2 | | | | | | | | | |
| | R Furlan | 4 | 3 | | 6 | S Koubek | 7 | 6 | | | | | | | | | |
| 6 | S Koubek | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals |
| 5 | A Portas | 6 | 7$^7$ | | | | | | | | | | | | | | |
| | G Gaudio | 4 | 6$^3$ | | 5 | A Portas | 6 | 3 | 6 | | | | | | | | |
| | Á Calatrava | 7 | 6 | | | Á Calatrava | 2 | 6 | 1 | | | | | | | | |
| | M Filippini | 5 | 3 | | | | | | | 5 | A Portas | 1 | 6$^4$ | | | | |
| Q | J Díaz | 6 | 7$^7$ | | | | | | | Q | J C Ferrero | 6 | 7$^7$ | | | | |
| WC | M El Aarej | 4 | 6$^4$ | | Q | J Díaz | 2 | 6$^2$ | | | | | | | | | |
| Q | J C Ferrero | 6 | 4 | 6 | Q | J C Ferrero | 6 | 7$^7$ | | | | | | | | | |
| 4 | K Alami | 4 | 6 | 3 | | | | | | | | | | Q | J C Ferrero | 5 | 4 |
| 7 | A Martín | 6 | 6 | | | | | | | | | | | 7 | A Martín | 7 | 6 |
| | M Martelli | 4 | 1 | | 7 | A Martín | 6 | 6 | | | | | | | | | |
| | O Gross | 6 | 4 | 6 | | O Gross | 4 | 1 | | | | | | | | | |
| | Ó Serrano | 1 | 6 | 1 | | | | | | 7 | A Martín | 7$^7$ | 6 | | | | |
| | M Ondruska | 2 | 5 | | | | | | | | J Knippschild | 6$^3$ | 3 | | | | |
| | J Knippschild | 6 | 7 | | | J Knippschild | 2 | 7$^7$ | 6 | | | | | | | | |
| | D Pescariu | 3 | 3 | | 2 | F Meligeni | 6 | 6$^5$ | 3 | | | | | | | | |
| 2 | F Meligeni | 6 | 6 | | | | | | | | | | | | | | |