2001 Milan Indoor – Singles

Marc Rosset was the defending champion at the Milan Indoor tennis tournament but was forced to retire in his second round match against Greg Rusedski.

Roger Federer won in the final 6–4, 6–7(7–9), 6–4 against Julien Boutter. It was Federer's first title of the year and the first of his career.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇷🇺 Marat Safin (quarterfinals)
 * 2) 🇷🇺 Yevgeny Kafelnikov (semifinals)
 * 3) 🇸🇰 Dominik Hrbatý (first round)
 * 4) 🇩🇪 Nicolas Kiefer (first round)
 * 5)  Andrei Pavel (first round)
 * 6)  Sjeng Schalken (first round)
 * 7)  Roger Federer (champion)
 * 8)  Marc Rosset (second round, retired due to a lower back injury)

Qualifying seeds
• # 🇸🇪 Magnus Gustafsson (qualifying competition)

• # Michel Kratochvil (first round)

• # George Bastl (qualifying competition)

• # 🇪🇸 Tommy Robredo (qualifying competition)

• # 🇺🇸 Jeff Tarango (qualified)

• # 🇫🇷 Cyril Saulnier (qualified)

• # 🇧🇪 Xavier Malisse (qualified)

• # 🇫🇷 Nicolas Thomann (second round)

Qualifiers
• # 🇫🇷 Cyril Saulnier

• # Ivo Heuberger

• # 🇺🇸 Jeff Tarango

• # 🇧🇪 Xavier Malisse