| Country (sports) |  Italy |
|---|---|
| Residence | Carrara, Italy |
| Born | 25 July 1985 Carrara, Italy |
| Height | 1.80 m (5 ft 11 in) |
| Turned pro | 2003 |
| Plays | Right-handed (two-handed backhand) |
| Coach | Fabio Gorietti |
| Prize money | $135,321 |
| Singles | |
| Career record | 0–0 |
| Career titles | 0 |
| Highest ranking | No. 300 (22 August 2011) |
| Current ranking | No. 556 (16 June 2014) |
| Doubles | |
| Career record | 0–0 |
| Career titles | 0 |
| Highest ranking | No. 133 (16 June 2014) |
| Current ranking | No. 133 (16 June 2014) |
| Last updated on: 29 December 2013. | |
Claudio Grassi (born 25 July 1985) is an Italian tennis player playing on the ATP Challenger Tour. On 22 August 2011, he reached his highest ATP singles ranking of World No. 300 and his highest doubles ranking of No. 137 achieved on 4 November 2013.