2001 Stuttgart Masters – Singles

Tommy Haas defeated Max Mirnyi in the final, 6–2, 6–2, 6–2 to win the singles tennis title at the 2001 Eurocard Open.

Wayne Ferreira was the defending champion, but lost in the quarterfinals to Lleyton Hewitt.

Seeds
All seeds receive a bye into the second round. • # 🇧🇷 Gustavo Kuerten (second round)

• # 🇺🇸 Andre Agassi (second round)

• # 🇦🇺 Lleyton Hewitt (semifinals)

• # 🇪🇸 Juan Carlos Ferrero (second round)

• # 🇷🇺 Yevgeny Kafelnikov (semifinals)

• # 🇷🇺 Marat Safin (second round)

• # 🇬🇧 Tim Henman (quarterfinals)

• # 🇫🇷 Sébastien Grosjean (third round)

• # 🇺🇸 Pete Sampras (quarterfinals)

• # 🇪🇸 Àlex Corretja (second round)

• # Roger Federer (second round)

• # 🇫🇷 Arnaud Clément (second round)

• # Goran Ivanišević (third round)

• # 🇺🇸 Andy Roddick (third round)

• # 🇩🇪 Tommy Haas (champion)

• # 🇸🇪 Thomas Johansson (second round)

Seeds
• # 🇪🇸 Félix Mantilla (first round)

• # 🇪🇸 Fernando Vicente (first round)

• # 🇷🇺 Nikolay Davydenko (first round)

• # 🇧🇾 Max Mirnyi (qualified)

• # 🇮🇹 Andrea Gaudenzi (first round)

• # 🇦🇷 Gastón Gaudio (first round)

• # 🇪🇸 Francisco Clavet (qualified)

• # 🇪🇸 Galo Blanco (first round)

• # 🇷🇺 Mikhail Youzhny (qualifying competition)

• # 🇺🇸 Michael Chang (first round)

• # 🇫🇷 Antony Dupuis (qualifying competition)

• # 🇫🇷 Julien Boutter (qualified)

Qualifiers
• # 🇫🇷 Julien Boutter

• # 🇧🇪 Olivier Rochus

• # 🇪🇸 Francisco Clavet

• # 🇧🇾 Max Mirnyi

• # 🇨🇱 Nicolás Massú

• # 🇩🇪 Axel Pretzsch