| Singles | |
|---|---|
| 2003 Western & Southern Financial Group Masters | |
| Champion |
|
| Runner-up |
|
| Final score | 4–6, 7–6(7–3), 7–6(7–4) |
Carlos Moyà was the defending champion but lost in the first round to Fabrice Santoro.
Andy Roddick won in the final 4–6, 7–6(7–3), 7–6(7–4) against Mardy Fish.