2001 Davidoff Swiss Indoors – Singles

Thomas Enqvist was the defending champion but did not compete that year. Tim Henman won in the final 6–3, 6–4, 6–2 against Roger Federer.

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


 * 1) 🇧🇷 Gustavo Kuerten (first round)
 * 2) 🇬🇧 Tim Henman (champion)
 * 3) 🇪🇸 Àlex Corretja (first round)
 * 4)  Roger Federer (final)
 * 5) 🇫🇷 Arnaud Clément (second round)
 * 6) 🇺🇸 Andy Roddick (quarterfinals)
 * 7) 🇪🇸 Carlos Moyá (semifinals)
 * 8) 🇺🇸 Jan-Michael Gambill (first round)

Draw

 * NB: The final was the best of 5 sets while all other rounds were the best of 3 sets.