2001 Open 13 – Singles

Marc Rosset was the defending champion but lost in the second round to Julien Boutter.

Yevgeny Kafelnikov won in the final 7–6(7–5), 6–2 against Sébastien Grosjean.

Seeds

 * 1) 🇸🇪 Magnus Norman (second round)
 * 2) 🇷🇺 Yevgeny Kafelnikov (champion)
 * 3) 🇫🇷 Arnaud Clément (second round)
 * 4) 🇫🇷 Sébastien Grosjean (final)
 * 5) 🇫🇷 Cédric Pioline (quarterfinals)
 * 6)  Roger Federer (semifinals)
 * 7)  Marc Rosset (second round)
 * 8) 🇸🇪 Thomas Johansson (first round)

Qualifying seeds
• # 🇺🇸 Bob Bryan (qualified)

• # 🇩🇪 Oliver Gross (qualifying competition, retired)

• # 🇫🇷 Thierry Guardiola (first round)

• # 🇧🇷 Francisco Costa (first round)

• # 🇪🇸 Salvador Navarro (second round)

• # 🇨🇿 Petr Kralert (first round)

• # 🇫🇷 Jean-René Lisnard (qualified)

• # 🇫🇷 Lionel Roux (qualified)

Qualifiers
• # 🇺🇸 Bob Bryan

• # 🇫🇷 Lionel Roux

• # 🇫🇷 Nicolas Mahut

• # 🇫🇷 Jean-René Lisnard