| Singles | |
|---|---|
| 2001 Qatar Open | |
| Champion |  Marcelo Ríos |
| Runner-up |  Bohdan Ulihrach |
| Final score | 6–3, 2–6, 6–3 |
| Draw | 32 |
| Seeds | 8 |
Fabrice Santoro was the defending champion but lost in the first round to Gianluca Pozzi.
Marcelo Ríos won in the final 6–3, 2–6, 6–3 against Bohdan Ulihrach.
Yevgeny Kafelnikov (quarterfinals)
Nicolas Kiefer (quarterfinals)
Sjeng Schalken (second round)
Younes El Aynaoui (first round)
Marc Rosset (second round) Hicham Arazi (quarterfinals)
Fabrice Santoro (first round)
Gastón Gaudio (first round)| Semifinals | Final | ||||||||||||
| Q | Bohdan Ulihrach | 3 | 7 | 79 | |||||||||
| Nicolas Escudé | 6 | 5 | 67 | ||||||||||
| Q | Bohdan Ulihrach | 3 | 6 | 3 | |||||||||
| Marcelo Ríos | 6 | 2 | 6 | ||||||||||
| Marcelo Ríos | 6 | 6 | |||||||||||
 Vladimir Voltchkov | 1 | 3 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Y Kafelnikov | 6 | 6 | ||||||||||||||||||||||||
 F Clavet | 2 | 2 | 1 | Y Kafelnikov | 6 | 77 | |||||||||||||||||||||
 D Sanguinetti | 5 | 3 | Q |  F Jonsson | 3 | 63 | |||||||||||||||||||||
| Q | F Jonsson | 7 | 6 | 1 | Y Kafelnikov | 6 | 65 | 4 | |||||||||||||||||||
| Q | B Ulihrach | 6 | 4 | 7 | Q | B Ulihrach | 1 | 77 | 6 | ||||||||||||||||||
| Q | N Coutelot | 2 | 6 | 5 | Q | B Ulihrach | 6 | 6 | |||||||||||||||||||
| WC |  S Khalfan | 3 | 2 | 5 | M Rosset | 2 | 3 | ||||||||||||||||||||
| 5 | M Rosset | 6 | 6 | Q | B Ulihrach | 3 | 7 | 79 | |||||||||||||||||||
| WC/4 | Y El Aynaoui | 1 | 64 | N Escudé | 6 | 5 | 67 | ||||||||||||||||||||
| N Escudé | 6 | 77 | N Escudé | 6 | 6 | ||||||||||||||||||||||
| WC |  G Ivanišević | 4 | 4 | J Boutter | 3 | 4 | |||||||||||||||||||||
| J Boutter | 6 | 6 | N Escudé | 6 | 6 | ||||||||||||||||||||||
| M Zabaleta | 1 | 4 | 6 | H Arazi | 3 | 1 | |||||||||||||||||||||
| A di Pasquale | 6 | 6 | A di Pasquale | 4 | 5 | ||||||||||||||||||||||
| A Portas | 65 | 4 | 6 | H Arazi | 6 | 7 | |||||||||||||||||||||
| 6 | H Arazi | 77 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | F Santoro | 6 | 3 | 63 | |||||||||||||||||||||||
| G Pozzi | 1 | 6 | 77 | G Pozzi | 2 | 2 | |||||||||||||||||||||
| Q |  N Zimonjić | 4 | 6 | 1 | M Ríos | 6 | 6 | ||||||||||||||||||||
| M Ríos | 6 | 3 | 6 | M Ríos | 77 | 7 | |||||||||||||||||||||
| F Vicente | 6 | 77 | F Vicente | 64 | 5 | ||||||||||||||||||||||
| R Schüttler | 4 | 65 | F Vicente | 6 | 5 | 6 | |||||||||||||||||||||
| K Alami | 3 | 1 | 3 | S Schalken | 1 | 7 | 1 | ||||||||||||||||||||
| 3 | S Schalken | 6 | 6 | M Ríos | 6 | 6 | |||||||||||||||||||||
| 8 | G Gaudio | 6 | 2 | 3 | V Voltchkov | 1 | 3 | ||||||||||||||||||||
| V Voltchkov | 3 | 6 | 6 | V Voltchkov | 4 | 6 | 7 | ||||||||||||||||||||
| D Prinosil | 64 | 4 | M Mirnyi | 6 | 3 | 5 | |||||||||||||||||||||
| M Mirnyi | 77 | 6 | V Voltchkov | 6 | 6 | ||||||||||||||||||||||
 S Koubek | 5 | 6 | 4 | 2 | N Kiefer | 2 | 1 | ||||||||||||||||||||
| Á Calatrava | 7 | 4 | 6 | Á Calatrava | 0 | 62 | |||||||||||||||||||||
| J Björkman | 6 | 1 | 5 | 2 | N Kiefer | 6 | 77 | ||||||||||||||||||||
| 2 | N Kiefer | 4 | 6 | 7 | |||||||||||||||||||||||
Juan Balcells (second round) Bohdan Ulihrach (Qualifier)
Attila Sávolt (second round) Nicolas Coutelot (Qualifier)
Ján Krošlák (second round) Filippo Volandri (second round) Lars Burgsmüller (first round) Juan Albert Viloca (final round)| First round | Second round | Final Round | ||||||||||||||||||
| 1 | Juan Balcells | 63 | 6 | 7 | ||||||||||||||||
| Marcus Sarstrand | 77 | 3 | 5 | |||||||||||||||||
| 1 | Juan Balcells | 4 | 77 | 3 | ||||||||||||||||
| Renzo Furlan | 6 | 63 | 6 | |||||||||||||||||
| Renzo Furlan | 6 | 6 | ||||||||||||||||||
| Marc Fornell | 2 | 2 | ||||||||||||||||||
| Renzo Furlan | 4 | 3 | ||||||||||||||||||
| Fredrik Jonsson | 6 | 6 | ||||||||||||||||||
| Andy Fahlke | 2 | 2 | ||||||||||||||||||
| Fredrik Jonsson | 6 | 6 | ||||||||||||||||||
| Fredrik Jonsson | 6 | 6 | ||||||||||||||||||
| 6 | Filippo Volandri | 3 | 3 | |||||||||||||||||
 Daniel Nestor | 2 | 0 | ||||||||||||||||||
| 6 | Filippo Volandri | 6 | 6 | |||||||||||||||||
| First round | Second round | Final Round | ||||||||||||||||||
| 2 | Bohdan Ulihrach | 7 | 6 | |||||||||||||||||
| WC | Kirill Ivanov-Smolensky | 5 | 3 | |||||||||||||||||
| 2 | Bohdan Ulihrach | 6 | 6 | |||||||||||||||||
| WC | Mario Ančić | 3 | 2 | |||||||||||||||||
| WC | Mario Ančić | 4 | 6 | 6 | ||||||||||||||||
| Ivo Heuberger | 6 | 1 | 0 | |||||||||||||||||
| 2 | Bohdan Ulihrach | 6 | 1 | 77 | ||||||||||||||||
| Paul-Henri Mathieu | 2 | 6 | 65 | |||||||||||||||||
| Paul-Henri Mathieu | 6 | 6 | ||||||||||||||||||
| Melvyn op der Heijde | 1 | 2 | ||||||||||||||||||
| Paul-Henri Mathieu | 6 | 6 | ||||||||||||||||||
| 5 | Ján Krošlák | 3 | 1 | |||||||||||||||||
| Marzio Martelli | 4 | 64 | ||||||||||||||||||
| 5 | Ján Krošlák | 6 | 77 | |||||||||||||||||
| First round | Second round | Final Round | ||||||||||||||||||
| 3 | Attila Sávolt | 6 | 6 | |||||||||||||||||
| WC | Nasser Al-Khulafi | 2 | 1 | |||||||||||||||||
| 3 | Attila Sávolt | 3 | 1r | |||||||||||||||||
| Nenad Zimonjić | 6 | 2 | ||||||||||||||||||
 Vasilis Mazarakis | 4 | 4 | ||||||||||||||||||
| Nenad Zimonjić | 6 | 6 | ||||||||||||||||||
| Nenad Zimonjić | 6 | 6 | ||||||||||||||||||
| Alexander Waske | 3 | 2 | ||||||||||||||||||
 Mark Knowles | 77 | 1 | 4 | |||||||||||||||||
 Dick Norman | 65 | 6 | 6 | |||||||||||||||||
| Dick Norman | 4 | 6 | 3 | |||||||||||||||||
| Alexander Waske | 6 | 1 | 6 | |||||||||||||||||
| Alexander Waske | 7 | 6 | ||||||||||||||||||
| 7 | Lars Burgsmüller | 5 | 2 | |||||||||||||||||
| First round | Second round | Final Round | ||||||||||||||||||
| 4 | Nicolas Coutelot | 3 | 6 | 6 | ||||||||||||||||
| Federico Luzzi | 6 | 4 | 4 | |||||||||||||||||
| 4 | Nicolas Coutelot | 6 | 6 | |||||||||||||||||
| Jean-François Bachelot | 3 | 2 | ||||||||||||||||||
| Jean-François Bachelot | 6 | 6 | ||||||||||||||||||
| Alt | Uros Vico | 3 | 3 | |||||||||||||||||
| 4 | Nicolas Coutelot | 6 | 6 | |||||||||||||||||
| 8 | Juan Albert Viloca | 3 | 2 | |||||||||||||||||
| Oscar Burrieza | 6 | 77 | ||||||||||||||||||
| Igor Kunitcin | 4 | 61 | ||||||||||||||||||
| Oscar Burrieza | 6 | 3 | 5 | |||||||||||||||||
| 8 | Juan Albert Viloca | 2 | 6 | 7 | ||||||||||||||||
| WC |  Mohammad Ghareeb | 2 | 6 | 610 | ||||||||||||||||
| 8 | Juan Albert Viloca | 6 | 4 | 712 | ||||||||||||||||
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