2001 Stuttgart Open – Singles

Franco Squillari was the defending champion but lost in the third round to Guillermo Cañas.

Gustavo Kuerten won in the final 6–3, 6–2, 6–4 against Cañas.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. All sixteen seeds received a bye to the second round.


 * 1) 🇧🇷 Gustavo Kuerten (champion)
 * 2) 🇷🇺 Yevgeny Kafelnikov (quarterfinals)
 * 3) 🇫🇷 Arnaud Clément (third round)
 * 4) 🇸🇰 Dominik Hrbatý (third round)
 * 5) 🇫🇷 Fabrice Santoro (second round)
 * 6) 🇦🇷 Franco Squillari (third round)
 * 7) 🇲🇦 Hicham Arazi (second round)
 * 8) 🇦🇷 Guillermo Coria (second round)
 * 9) 🇪🇨 Nicolás Lapentti (quarterfinals)
 * 10) 🇦🇷 Guillermo Cañas (final)
 * 11) 🇸🇪 Andreas Vinciguerra (second round)
 * 12) 🇨🇿 Jiří Novák (semifinals)
 * 13) 🇪🇸 Alberto Martín (quarterfinals)
 * 14) 🇦🇷 Gastón Gaudio (quarterfinals)
 * 15)  Andrei Pavel (second round)
 * 16) 🇪🇸 Albert Costa (third round)