| Singles | |
|---|---|
| 2001 BMW Open | |
| Champion |  Jiří Novák |
| Runner-up |  Antony Dupuis |
| Score | 6–4, 7–5 |
| Draw | 32 (4 Q / 3 WC ) |
| Seeds | 8 |
Franco Squillari was the defending champion but lost in the quarterfinals to Bohdan Ulihrach.
Jiří Novák won in the final 6–4, 7–5 against Antony Dupuis.
Yevgeny Kafelnikov (first round)
Thomas Enqvist (second round)
Franco Squillari (quarterfinals)
Wayne Ferreira (first round) Thomas Johansson (second round)
Marcelo Ríos (second round)
Sjeng Schalken (second round)| Semifinals | Final | ||||||||||||
| Younes El Aynaoui | 7 | 1 | 2 | ||||||||||
| Antony Dupuis | 5 | 6 | 6 | ||||||||||
| Antony Dupuis | 4 | 5 | |||||||||||
| Jiří Novák | 6 | 7 | |||||||||||
| Bohdan Ulihrach | 4 | 4 | |||||||||||
| Jiří Novák | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Y Kafelnikov | 77 | 5 | 3 | |||||||||||||||||||||||
| Q |  W Eschauer | 62 | 7 | 6 | Q | W Eschauer | 6 | 1 | 0 | ||||||||||||||||||
 M Rosset | 67 | 2 | Q |  T Behrend | 2 | 6 | 6 | ||||||||||||||||||||
| Q | T Behrend | 79 | 6 | Q | T Behrend | 2 | 4 | ||||||||||||||||||||
| J Boutter | 6 | 65 | 63 | Y El Aynaoui | 6 | 6 | |||||||||||||||||||||
| Y El Aynaoui | 3 | 77 | 77 | Y El Aynaoui | 6 | 6 | |||||||||||||||||||||
| N Davydenko | 61 | 3 | 5 | T Johansson | 4 | 4 | |||||||||||||||||||||
| 5 | T Johansson | 77 | 6 | Y El Aynaoui | 7 | 1 | 2 | ||||||||||||||||||||
| 4 | W Ferreira | 6 | 2 | 1 | A Dupuis | 5 | 6 | 6 | |||||||||||||||||||
| A Dupuis | 3 | 6 | 6 | A Dupuis | 77 | 6 | |||||||||||||||||||||
| A Vinciguerra | 6 | 6 | A Vinciguerra | 65 | 4 | ||||||||||||||||||||||
| Q | T Zíb | 4 | 1 | A Dupuis | 3 | 78 | 6 | ||||||||||||||||||||
| WC | B Phau | 7 | 1 | 1 | Q |  F Saretta | 6 | 66 | 2 | ||||||||||||||||||
| Q | F Saretta | 5 | 6 | 6 | Q | F Saretta | 6 | 6 | |||||||||||||||||||
 S Sargsian | 2 | 4 | 6 | M Ríos | 3 | 2 | |||||||||||||||||||||
| 6 | M Ríos | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | S Schalken | 66 | 6 | 6 | |||||||||||||||||||||||
 N Lapentti | 78 | 3 | 4 | 8 | S Schalken | 7 | 3 | 66 | |||||||||||||||||||
| B Ulihrach | 6 | 3 | 6 | B Ulihrach | 5 | 6 | 78 | ||||||||||||||||||||
 D Sanguinetti | 4 | 6 | 0 | B Ulihrach | 6 | 6 | |||||||||||||||||||||
| C Vinck | 7 | 6 | 3 | F Squillari | 4 | 4 | |||||||||||||||||||||
| F Santoro | 5 | 1 | C Vinck | 2 | 5 | ||||||||||||||||||||||
| WC |  G Ivanišević | 3 | 3 | 3 | F Squillari | 6 | 7 | ||||||||||||||||||||
| 3 | F Squillari | 6 | 6 | B Ulihrach | 4 | 4 | |||||||||||||||||||||
| LL | D Melo | 5 | 77 | 3 | J Novák | 6 | 6 | ||||||||||||||||||||
 W Arthurs | 7 | 62 | 6 | W Arthurs | 6 | 6 | |||||||||||||||||||||
| WC |  E Benfele Álvarez | 1 | 6 | 5 | R Schüttler | 4 | 4 | ||||||||||||||||||||
| R Schüttler | 6 | 3 | 7 | W Arthurs | 63 | 1 | |||||||||||||||||||||
| J Novák | 6 | 7 | J Novák | 77 | 6 | ||||||||||||||||||||||
| LL | M Hipfl | 1 | 5 | J Novák | 1 | 6 | 77 | ||||||||||||||||||||
| D Elsner | 4 | 1 | 2 | T Enqvist | 6 | 2 | 62 | ||||||||||||||||||||
| 2 | T Enqvist | 6 | 6 | ||||||||||||||||||||||||
Defending champion Gustavo Kuerten defeated Àlex Corretja in the final, 6–7(3–7), 7–5, 6–2, 6–0 to win the men's singles tennis title at the 2001 French Open. It was his third French Open title and his third and last major title overall. Kuerten saved a match point en route to the title, against Michael Russell in the fourth round.
Defending champion Andre Agassi defeated Arnaud Clément in the final, 6–4, 6–2, 6–2 to win the men's singles tennis title at the 2001 Australian Open. It was his third Australian Open title and seventh major title overall.
Jérôme Golmard was the defending champion but lost in the second round to Adrian Voinea.
Marat Safin defeated Harel Levy in the final, 6–2, 6–3 to win the men's singles tennis title at the 2000 Canadian Open. Levy became the first Israeli to reach a Master 1000 single final.
Magnus Norman was the defending champion of the singles event at the Heineken Open tennis tournament, held in Auckland, New Zealand, but did not compete that year.
Gustavo Kuerten was the defending champion but did not compete that year.
Franco Squillari was the defending champion.
Andre Agassi defeated Jan-Michael Gambill in the final, 7–6(7–4), 6–1, 6–0 to win the men's singles tennis title at the 2001 Miami Open. With the win, he completed the Sunshine Double.
Gustavo Kuerten defeated Hicham Arazi in the final, 6–3, 6–2, 6–4 to win the singles tennis title at the 2001 Monte Carlo Masters.
Juan Carlos Ferrero defeated Gustavo Kuerten in the final, 3–6, 6–1, 2–6, 6–4, 6–2 to win the men's singles tennis title at the 2001 Italian Open.
Juan Ignacio Chela was the defending champion but did not compete that year.
This tournament took place between April 9 and 15, 2001.
The singles competition of the 2001 Open SEAT Godó tennis tournament was held in April 2001. Marat Safin was the defending champion but did not compete that year.
Àlex Corretja was the defending champion but lost in the semifinals to Jiří Novák.
Franco Squillari was the defending champion but lost in the third round to Guillermo Cañas.
Àlex Corretja was the defending champion but lost in the second round to Stefan Koubek.
Olivier Rochus was the defending champion but did not compete that year.
Tommy Robredo was the defending champion but did not compete that year.
Nicolás Lapentti was the defending champion, but did not participate this year.