Round: 62 Ground: Clay
| ITF Argentina F7 | 2018/10/28 13:00 | Ezequiel A Santalla v Benjamin L Ambrosio | 6-0,6-3 |
| ITF Argentina F6 | 2018/09/17 13:00 | Lorenzo Gagliardo v Benjamin L Ambrosio | 6-2,6-1 |
| ITF Argentina F6 | 2018/09/16 15:30 | Nicolas De Marco v Benjamin L Ambrosio | 6-7,3-6 |
| ITF Argentina F6 | 2018/09/15 14:00 | Benjamin L Ambrosio v Gaston Erhardt | 6-3,7-5 |
| ITF Argentina F5 | 2018/09/08 12:00 | Gaston E Cantero v Benjamin L Ambrosio | 6-3,6-3 |
| ITF Argentina F4 | 2018/09/02 13:00 | Benjamin L Ambrosio v Alan Postay | 6-2,0-6,4-6 |
| ITF Argentina F4 | 2018/09/01 12:00 | Benjamin L Ambrosio v Matias Riva | 6-1,6-1 |
| ITF Argentina F3 | 2018/05/27 12:30 | Juan Bautista Otegui v Benjamin L Ambrosio | 6-0,6-4 |