2005 Italian Open – Men's singles
| Men's singles | |
|---|---|
| 2005 Italian Open | |
| Champion | Rafael Nadal | 
| Runner-up | Guillermo Coria | 
| Score | 6–4, 3–6, 6–3, 4–6, 7–6(8–6) | 
| Draw | 64 (4WC/8Q/1LL) | 
| Seeds | 16 | 
Rafael Nadal defeated Guillermo Coria in the final, 6–4, 3–6, 6–3, 4–6, 7–6(8–6) to win the men's singles tennis title at the 2005 Italian Open. Nadal was making his tournament debut, and it was the first of an eventual record ten Italian Open titles. The final is considered one of the best matches in tournament history.
Carlos Moyá was the defending champion, but lost in the first round to Potito Starace.