2003 Grand Prix Hassan II – Singles

Younes El Aynaoui was the defending champion but lost in the final 6–2, 2–6, 6–1 against Julien Boutter.

Seeds

 * 1) 🇲🇦 Younes El Aynaoui (final)
 * 2) 🇫🇷 Paul-Henri Mathieu (first round)
 * 3) 🇫🇷 Arnaud Clément (first round)
 * 4) 🇸🇰 Dominik Hrbatý (semifinals)
 * 5) 🇧🇪 Olivier Rochus (first round)
 * 6) 🇪🇸 Fernando Vicente (first round)
 * 7) 🇦🇲 Sargis Sargsian ''(no show)
 * 8) 🇧🇷 André Sá (first round)