| Singles | |
|---|---|
| 2001 International Raiffeisen Grand Prix | |
| Champion |  Andrea Gaudenzi |
| Runner-up |  Markus Hipfl |
| Final score | 6–0, 7–5 |
Andrei Pavel was the defending champion but lost in the quarterfinals to Magnus Gustafsson.
Andrea Gaudenzi won in the final 6–0, 7–5 against Markus Hipfl.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
Dominik Hrbatý (first round)
Andrei Pavel (quarterfinals)
Marcelo Ríos (first round)
Albert Portas (first round) Álex Calatrava (second round)
Andrew Ilie (first round)
Michal Tabara (semifinals)
Magnus Gustafsson (semifinals)| First round | Second round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||||||||
| 1 | D Hrbatý | 1 | 1 | |||||||||||||||||||||||||||||||
 I Ljubičić | 6 | 6 | I Ljubičić | 6 | 65 | 6 | ||||||||||||||||||||||||||||
| Q | J Krošlák | 65 | 5 | LL |  I Traykov | 2 | 77 | 4 | ||||||||||||||||||||||||||
| LL | I Traykov | 77 | 7 | I Ljubičić | 4 | 7 | 4 | |||||||||||||||||||||||||||
| Q |  G Cañas | 6 | 6 | 7 | M Tabara | 6 | 5 | 6 | ||||||||||||||||||||||||||
| Q |  B Bryan | 3 | 2 | Q | G Cañas | 4 | 4 | |||||||||||||||||||||||||||
| D Sánchez | 2 | 3 | 7 | M Tabara | 6 | 6 | ||||||||||||||||||||||||||||
| 7 | M Tabara | 6 | 6 | 7 | M Tabara | 1 | 7 | 2 | ||||||||||||||||||||||||||
| 4 | A Portas | 4 | 1 | WC | M Hipfl | 6 | 5 | 6 | ||||||||||||||||||||||||||
| J Vaněk | 6 | 6 | J Vaněk | 5 | 0 | |||||||||||||||||||||||||||||
| WC | M Hipfl | 6 | 6 | WC | M Hipfl | 7 | 6 | |||||||||||||||||||||||||||
 D Elsner | 3 | 4 | WC | M Hipfl | 6 | 6 | ||||||||||||||||||||||||||||
 X Malisse | 77 | 6 | X Malisse | 3 | 3 | |||||||||||||||||||||||||||||
| WC | W Eschauer | 64 | 0 | X Malisse | 6 | 6 | ||||||||||||||||||||||||||||
 K Alami | 64 | 77 | 77 | K Alami | 4 | 1 | ||||||||||||||||||||||||||||
| 6 | A Ilie | 77 | 65 | 63 | WC | Markus Hipfl | 0 | 5 | ||||||||||||||||||||||||||
| 5 | Á Calatrava | 6 | 6 | WC | Andrea Gaudenzi | 6 | 7 | |||||||||||||||||||||||||||
 H-T Lee | 3 | 4 | 5 | Á Calatrava | 5 | 6 | 2 | |||||||||||||||||||||||||||
| Q | H Armando | 63 | 3 |  J Siemerink | 7 | 3 | 6 | |||||||||||||||||||||||||||
| J Siemerink | 77 | 6 | J Siemerink | 64 | 3 | |||||||||||||||||||||||||||||
| O Rochus | 6 | 4 | 4 | WC | A Gaudenzi | 77 | 6 | |||||||||||||||||||||||||||
| N Massú | 0 | 6 | 6 | N Massú | 65 | 2 | ||||||||||||||||||||||||||||
| WC | A Gaudenzi | 5 | 6 | 6 | WC | A Gaudenzi | 77 | 6 | ||||||||||||||||||||||||||
| 3 | M Ríos | 7 | 1 | 4 | WC | A Gaudenzi | 6 | 6 | ||||||||||||||||||||||||||
| 8 | M Gustafsson | 77 | 6 | 8 | M Gustafsson | 3 | 3 | |||||||||||||||||||||||||||
 A Stoliarov | 61 | 3 | 8 | M Gustafsson | 7 | 77 | ||||||||||||||||||||||||||||
| K Kučera | 6 | 77 | K Kučera | 5 | 63 | |||||||||||||||||||||||||||||
| G Blanco | 3 | 63 | 8 | M Gustafsson | 79 | 6 | ||||||||||||||||||||||||||||
 S Sargsian | 4 | 5 | 2 | A Pavel | 67 | 3 | ||||||||||||||||||||||||||||
| C Rochus | 6 | 7 | C Rochus | 1 | 1 | |||||||||||||||||||||||||||||
| S Koubek | 3 | 3 | 2 | A Pavel | 6 | 6 | ||||||||||||||||||||||||||||
| 2 | A Pavel | 6 | 6 | |||||||||||||||||||||||||||||||
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