2003 Rogers AT&T Cup – Singles
| Singles | |
|---|---|
| 2003 Canada Masters and the Rogers AT&T Cup | |
| Champion | Justine Henin-Hardenne |
| Runner-up | Lina Krasnoroutskaya |
| Score | 6–1, 6–0 |
| Draw | 56 (4WC/12Q/1LL) |
| Seeds | 16 |
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.