2003 Synsam Swedish Open – Singles

Carlos Moyá was the defending champion but lost in the semifinals to Mariano Zabaleta.

Zabaleta won in the final 6–3, 6–4 against Nicolás Lapentti.

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


 * 1) 🇪🇸 Carlos Moyá (semifinals)
 * 2) 🇪🇸 Tommy Robredo (semifinals)
 * 3) 🇲🇦 Younes El Aynaoui (first round)
 * 4) 🇷🇺 Mikhail Youzhny (quarterfinals)
 * 5) 🇦🇷 Mariano Zabaleta (champion)
 * 6) 🇪🇨 Nicolás Lapentti (final)
 * 7) 🇪🇸 Fernando Vicente (first round)
 * 8) 🇪🇸 Alberto Martín (first round)