2001 If Stockholm Open – Singles

Thomas Johansson was the defending champion but lost in the quarterfinals to Jarkko Nieminen.

Sjeng Schalken won in the final 3–6, 6–3, 6–3, 4–6, 6–3 against Nieminen.

Seeds

 * 1) 🇦🇺 Lleyton Hewitt (withdrew because of a back injury)
 * 2) 🇫🇷 Sébastien Grosjean (second round)
 * 3) 🇸🇪 Thomas Johansson (quarterfinals)
 * 4) 🇦🇷 Guillermo Cañas (semifinals)
 * 5) 🇸🇪 Thomas Enqvist (semifinals)
 * 6)  Sjeng Schalken (champion)
 * 7) 🇲🇦 Younes El Aynaoui (second round)
 * 8)  Wayne Ferreira (quarterfinals)