2003 Monte Carlo Masters – Singles
| Singles | |
|---|---|
| 2003 Monte Carlo Masters | |
| Champion | Juan Carlos Ferrero |
| Runner-up | Guillermo Coria |
| Score | 6–2, 6–2 |
| Draw | 64 (8 Q / 4 WC ) |
| Seeds | 16 |
Defending champion Juan Carlos Ferrero defeated Guillermo Coria in the final, 6–2, 6–2 to win the singles tennis title at the 2003 Monte Carlo Masters.
In addition to this being the first Masters Series tournament for Rafael Nadal, it was also a breakthrough tournament for future eleven-time champion Nadal. With his second round victory over defending French Open champion Albert Costa, he would get his first win over a top-10 player, and he also made his Top-100 debut in the ATP rankings, at 16 years, 322 days old. He lost to Coria in the third round, which would remain his sole loss at the tournament until the 2013 Final, winning a record 46 consecutive matches.