Stadium: court 6 Round: 44 Ground: Hardcourt outdoor
| ITF Italy F24 | 2015/08/25 19:00 | Vucic, Ilija v Grassi, Claudio | 6-4,4-6,6-4 |
| ITF Switzerland F2 | 2015/03/20 11:00 | Grassi, Claudio v Sommer, Enzo | 4-6,2-6 |
| ITF Switzerland F2 | 2015/03/19 13:55 | Bega, Alessandro v Grassi, Claudio | 6-7,3-6 |
| ITF Switzerland F2 | 2015/03/18 12:10 | Antoine Bellier v Grassi, Claudio | 3-6,3-6 |
| ITF Tunisia F5 | 2015/03/04 09:30 | Cagnina, Julien v Grassi, Claudio | 7-5,6-1 |
| ITF Tunisia F5 | 2015/01/28 11:45 | Grassi, Claudio v Pulgar-Garcia, Jaime | 4-6,6-4,3-6 |
| ITF Tunisia F2 | 2015/01/22 09:50 | Salvatore Caruso v Grassi, Claudio | 6-1,6-2 |
| ITF Tunisia F2 | 2015/01/21 09:45 | Grassi, Claudio v Riccardo Bonadio | 6-2,3-6,6-2 |