Round: 62 Ground: Clay
| ITF Argentina F4 | 2018/09/03 12:00 | Francisco Comesana v de Marco, Nicolas | 7-5,6-3 |
| ITF Argentina F4 | 2018/09/02 15:30 | de Marco, Nicolas v Barros, Emmanuel | 7-5,6-4 |
| ITF Argentina F4 | 2018/09/01 17:30 | de Marco, Nicolas v Valerio Aboian | 6-1,6-4 |
| ITF Argentina F11 | 2017/11/25 17:00 | de Marco, Nicolas v Jofre, Facundo | 3-6,3-6 |
| ITF Chile F1 | 2017/11/22 14:30 | de Marco, Nicolas v Vernier, Michel | 6-4,2-6,3-6 |
| ITF Chile F1 | 2017/11/18 12:30 | Llanos, Pablo v de Marco, Nicolas | 6-7,0-6 |
| ITF Argentina F8 | 2017/11/04 17:00 | de Marco, Nicolas v Francisco Comesana | 6-1,4-6,6-7 |
| ITF Netherlands F4 | 2017/07/09 17:00 | Stevens, Bart v de Marco, Nicolas | 7-5,6-4 |
| ITF Argentina F6 | 2018/09/15 14:00 | Ambrosio, Benjamin L v Erhardt, Gaston | 6-3,7-5 |
| ITF Argentina F5 | 2018/09/08 12:00 | Cantero, Gaston Ezequiel v Ambrosio, Benjamin L | 6-3,6-3 |
| ITF Argentina F4 | 2018/09/02 13:00 | Ambrosio, Benjamin L v Postay, Alan | 6-2,0-6,4-6 |
| ITF Argentina F4 | 2018/09/01 12:00 | Ambrosio, Benjamin L v Matias Riva | 6-1,6-1 |
| ITF Argentina F3 | 2018/05/27 12:30 | Juan Bautista Otegui v Ambrosio, Benjamin L | 6-0,6-4 |
| ITF Argentina F2 | 2018/05/20 13:00 | Cantero, Gaston Ezequiel v Ambrosio, Benjamin L | 6-4,6-2 |
| ITF Argentina F1 | 2018/05/12 11:30 | Huertas Del Pino Cordova, Arklon v Ambrosio, Benjamin L | 6-3,6-2 |