2001 Stuttgart Open – SinglesFranco 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.SeedsA 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. Gustavo Kuerten Yevgeny Kafelnikov ' Arnaud Clément ' Dominik Hrbatý ' Fabrice Santoro ' Franco Squillari ' Hicham Arazi ' Guillermo Coria ' Nicolás Lapentti ' Guillermo Cañas ' Andreas Vinciguerra ' Jiří Novák ' Alberto Martín ' Gastón Gaudio ' Andrei Pavel ' Albert Costa ''''