1999 Open 13 – Singles

Fabrice Santoro defeated Arnaud Clément 6–3, 4–6, 6–4 to win the 1999 Open 13 singles competition. Thomas Enqvist was the champion but did not defend his title.

Seeds
• # 🇪🇸 Carlos Moyà (first round)

• # 🇷🇺 Yevgeny Kafelnikov (second round)

• # 🇫🇷 Cédric Pioline (semifinals)

• # Marc Rosset (semifinals)

• #🇸🇪 Magnus Gustafsson (first round)

• #🇫🇷 Nicolas Escudé (quarterfinals)

• #🇨🇿 Daniel Vacek (first round)

• #🇷🇺 Marat Safin (first round)