Justine Henin-Hardenne defeated Lina Krasnoroutskaya in the final, 6–1, 6–0 to win the women's singles tennis title at the 2003 Canadian Open.
Amélie Mauresmo was the defending champion, but lost in the quarterfinals to Elena Dementieva.
Seeds The top eight seeds receive a bye into the second round.
Kim Clijsters (third round) Justine Henin-Hardenne (champion) Amélie Mauresmo (quarterfinals) Daniela Hantuchová (third round) Anastasia Myskina (third round) Magdalena Maleeva (second round) Amanda Coetzer (third round) Jelena Dokić (third round) Elena Dementieva (semifinals) Vera Zvonareva (quarterfinals) Silvia Farina Elia (first round) Elena Bovina (quarterfinals) Eleni Daniilidou (first round) Nadia Petrova (third round) Nathalie Dechy (second round) Svetlana Kuznetsova (first round)
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
Qualifying
Qualifying seeds
Qualifiers
Lucky loser Janette Husárová
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
Fifth qualifier
Sixth qualifier
Seventh qualifier
Eighth qualifier
Ninth qualifier
Tenth qualifier
Eleventh qualifier
Twelfth qualifier
References
External links Official results archive (ITF) Official results archive (WTA)