2003 Shanghai Open – Singles

Mark Philippoussis won in the final 6–2, 6–1 against Jiří Novák.

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


 * 1) 🇨🇿 Jiří Novák (final)
 * 2)  Martin Verkerk (second round)
 * 3) 🇦🇺 Mark Philippoussis (champion)
 * 4) n/a
 * 5) 🇩🇪 Nicolas Kiefer (second round)
 * 6) 🇰🇷 Hyung-Taik Lee (first round)
 * 7) 🇸🇪 Magnus Norman (quarterfinals)
 * 8)  John van Lottum (first round)