| Singles | |
|---|---|
| 2003 U.S. Men's Clay Court Championships | |
| 2002 Champion |
|
| Champion |
|
| Runner-up |
|
| Final score | 3–6, 6–3, 6–4 |
Andy Roddick was the defending champion but lost in the final 3–6, 6–3, 6–4 against Andre Agassi.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.