Stadium: Cancha 6 Round: 25 Ground: Clay
| ITF Argentina F3 | 2018/05/28 13:00 | Grassi Mazzuchi, Juan Pablo v Mariano Navone | 6-3,6-2 |
| ITF Argentina F2 | 2018/05/23 13:00 | Grassi Mazzuchi, Juan Pablo v Saez, Juan Carlos | 4-6,2-6 |
| ITF Argentina F2 | 2018/05/22 18:05 | Grassi Mazzuchi, Juan Pablo v Gonzalez Paiva, Juan Mauricio | 6-2,6-1 |
| ITF Argentina F1 | 2018/05/15 18:15 | Tomas Farjat v Grassi Mazzuchi, Juan Pablo | 6-4,7-6 |
| ITF Peru F2 | 2017/12/18 15:00 | Grassi Mazzuchi, Juan Pablo v Peter Bertran | 7-5,6-7,5-7 |
| ITF Peru F1 | 2017/12/12 20:50 | Grassi Mazzuchi, Juan Pablo v Romboli, Fernando | 2-6,1-6 |
| ITF Peru F1 | 2017/12/11 17:00 | Grassi Mazzuchi, Juan Pablo v Beretta, Duillo | 2-6,0-6 |
| ITF Peru F1 | 2017/12/10 19:00 | Grassi Mazzuchi, Juan Pablo v Derdoy, Felipe | 6-4,6-4 |
| ITF Argentina F2 | 2018/05/22 13:00 | Martniez, Mateo Nicolas v Oscar Jose Gutierrez | 6-4,4-6,2-6 |
| ITF Argentina F1 | 2018/05/16 12:00 | Martniez, Mateo Nicolas v Santiago Rodriguez Taverna | 1-6,3-6 |
| ITF Argentina F1 | 2018/05/15 12:00 | Leonardo Aboian v Martniez, Mateo Nicolas | 1-6,1-6 |
| Tunisia F14, Singles Qualifying | 2018/04/15 09:00 | Martniez, Mateo Nicolas v Brands, Daniel | 6-7,5-7 |
| Tunisia F14, Singles Qualifying | 2018/04/14 10:55 | Jankovits, Yannick v Martniez, Mateo Nicolas | 4-6,2-6 |
| Tunisia F14, Singles Qualifying | 2018/04/13 09:00 | Martniez, Mateo Nicolas v Michael Vrbensky | 6-1,7-6 |
| Tunisia F14, Singles Qualifying | 2018/04/12 11:50 | Perez Sanz, David v Martniez, Mateo Nicolas | 4-6,1-6 |
| Tunisia F14, Singles Qualifying | 2018/04/11 11:35 | Martniez, Mateo Nicolas v Clement Tabur | 6-2,6-1 |