2003 J&S Cup – Singles

Elena Bovina was the defending champion, but chose not to participate that year. Amélie Mauresmo won in the final against Venus Williams 6-7(6–8), 6–0, 3–0, retired due to straining an abdominal muscle.

Seeds

 * 1) 🇺🇸 Venus Williams (final)
 * 2) 🇫🇷 Amélie Mauresmo (champion)
 * 3) 🇸🇰 Daniela Hantuchová (second round)
 * 4)  Jelena Dokić (semifinals)
 * 5) 🇧🇬 Magdalena Maleeva (first round)
 * 6)  Eleni Daniilidou (second round)
 * 7) 🇮🇱 Anna Pistolesi (quarterfinals)
 * 8) 🇪🇸 Conchita Martínez (withdrew)
 * 9) 🇷🇺 Elena Likhovtseva (withdrew)
 * 10) 🇷🇺 Tatiana Panova (first round)