1999 Investor Swedish Open – Singles

The defending champion was Magnus Gustafsson, but he lost in the second round to Martín Rodríguez. The unseeded Juan Antonio Marín from Costa Rica won the singles title.

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

• # 🇸🇰 Dominik Hrbatý (first round)

• # 🇸🇪 Thomas Johansson (second round)

• # 🇸🇪 Magnus Gustafsson (second round)

• # 🇪🇸 Fernando Vicente (first round)

• # 🇳🇴 Christian Ruud (semifinals)

• # 🇸🇪 Magnus Norman (quarterfinals)

• # 🇦🇷 Gastón Gaudio (first round)

• # 🇸🇰 Ján Krošlák (first round)