Name: Claudio Grassi
Country: Italy
Birthdate: 25.07.85, 39 years
ATP ranking: 870
TOP ranking's position: 300 (22.08.11, 152 points)
Points: 18
Prize money: 146.565 $
Matches total: 572
Win: 330
%: 57.69 %
Country: Italy
Birthdate: 25.07.85, 39 years
ATP ranking: 870
TOP ranking's position: 300 (22.08.11, 152 points)
Points: 18
Prize money: 146.565 $
Matches total: 572
Win: 330
%: 57.69 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2019 | 4/1 | 4/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 4/6 | 1/4 | 1/1 | 0/0 | 2/1 | 0/0 | 0/0 |
| 2014 | 20/22 | 14/12 | 6/8 | 0/2 | 0/0 | 0/0 | 0/0 |
| 2013 | 43/25 | 29/13 | 13/10 | 1/2 | 0/0 | 0/0 | 0/0 |
| 2012 | 54/28 | 24/9 | 24/14 | 3/4 | 3/1 | 0/0 | 0/0 |
| 2011 | 43/28 | 23/11 | 19/13 | 0/2 | 1/2 | 0/0 | 0/0 |
| 2010 | 35/23 | 23/6 | 6/11 | 3/2 | 3/4 | 0/0 | 0/0 |
| 2009 | 49/28 | 15/11 | 26/16 | 3/1 | 5/0 | 0/0 | 0/0 |
| 2008 | 45/32 | 17/10 | 28/22 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2007 | 17/20 | 12/10 | 5/10 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2006 | 12/19 | 8/13 | 1/2 | 0/0 | 2/2 | 1/2 | 0/0 |
| 2005 | 2/3 | 2/2 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2004 | 2/5 | 1/3 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2003 | 0/2 | 0/0 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 330/242 | 173/105 | 130/112 | 10/13 | 16/10 | 1/2 | 0/0 |
| perc. % | 57.69 % | 62.23 % | 53.72 % | 43.48 % | 61.54 % | 33.33 % | 0 % |
Claudio Grassi / Fixtures
| no matches found |
Claudio Grassi form / surface: I. hard
Claudio Grassi / surface: I. hard
| 15.11.14 | q 1 | Vladimir Uzhylovsky | Claudio Grassi | 6-4, 6-2 |  | match details |  Andria Challenger | I. hard |
| 08.02.14 | q 1 | Fabrice Martin | Claudio Grassi | 6-4, 6-4 | | match details | Bergamo Challenger | I. hard |
| 20.11.13 | 2nd round | Andrea Arnaboldi | Claudio Grassi | 6-2, 6-2 | | match details | Andria Challenger | I. hard |
| 18.11.13 | 1st round | Claudio Grassi | Riccardo Ghedin | 3-6, 6-4, 6-3 |  | match details | ||
| 05.02.13 | 1st round | Viktor Galovic | Claudio Grassi | 7-64, 6-3 | | match details | Bergamo Challenger | I. hard |
| 13.10.12 | q 1 | Erik Chvojka | Claudio Grassi | 6-4, 6-3 | | match details |  Stockholm | I. hard |
| 01.10.12 | 1st round | Albano Olivetti | Claudio Grassi | 6-3, 6-4 | | match details |  France F19 | I. hard |
| 19.03.12 | 1/2 | Stefano Galvani | Claudio Grassi | 6-4, 7-66 | | match details | Italy F1 | I. hard |
| 19.03.12 | 2nd round | Claudio Grassi | Damiano di Ienno | 6-3, 6-2 | | match details | ||
| 19.03.12 | 1/4 | Claudio Grassi | Marco Crugnola | 3-6, 6-4, 7-5 | | match details | ||
| 19.03.12 | 1st round | Claudio Grassi | Lorenzo Frigerio | 6-1, 6-0 | | match details | ||
| 14.02.12 | 1st round | Uladzimir Ignatik | Claudio Grassi | 6-72, 6-4, 6-4 | | match details | Bergamo Challenger | I. hard |
| 07.02.11 | q 1 | Stefano Ianni | Claudio Grassi | 6-4, 6-4 | | match details | Bergamo Challenger | I. hard |
| 31.01.11 | 1st round | Joao Sousa | Claudio Grassi | 3-6, 6-3, 7-5 | | match details | Courmayeur Challenger | I. hard |
| 15.11.10 | q 1 | Nikola Cacic | Claudio Grassi | 6-4, 6-4 | | match details |  Salzburg Challenger | I. hard |
| 20.09.10 | 1st round | Claudio Grassi | Adelchi Virgili | 6-1, Adelchi Virgili - retired | | match details | Italy F27 | I. hard |
| 20.09.10 | 2nd round | Claudio Grassi | Federico Gaio | 6-4, 6-2 | | match details | ||
| 20.09.10 | 1/2 | Filip Prpic | Claudio Grassi | 6-2, 6-1 | | match details | ||
| 20.09.10 | 1/4 | Claudio Grassi | Alessandro Bega | 6-1, 6-2 | | match details | ||
| 19.10.09 | 1st round | Claudio Grassi | Burnham Arlidge | 6-2, 6-2 | | match details |  Great Britain | I. hard |
| 19.10.09 | 1/2 | Daniel Evans | Claudio Grassi | 6-2, 6-1 | | match details | ||
| 19.10.09 | 2nd round | Claudio Grassi | Alexander Slabinsky | 6-1, 6-1 | | match details | ||
| 19.10.09 | 1/4 | Claudio Grassi | David Rice | 6-3, 6-3 | | match details |
