Anastasia Myskina defeated Amélie Mauresmo in the final, 6–2, 6–4 to win the women's singles tennis title at the 2003 Kremlin Cup.[1]
Magdalena Maleeva was the defending champion, but lost to Dinara Safina in the first round.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top four seeds received a bye to the second round.
Jennifer Capriati (second round)
Amélie Mauresmo (final)
Elena Dementieva (semifinal) Anastasia Myskina (champion) Nadia Petrova (first round) Vera Zvonareva (quarterfinals) Meghann Shaughnessy (first round)