Stadium: Court 6 Round: 25 Ground: Clay
| ITF Turkey F15 | 2017/04/19 07:00 | Christoph Negritu v Juan Carlos Saez | 3-6,4-6 |
| ITF Tunisia F11 | 2018/03/22 14:55 | Miljan Zekic v Christoph Negritu | 6-4,6-7,6-3 |
| ITF Tunisia F11 | 2018/03/22 11:30 | Miljan Zekic v Christoph Negritu | 6-4,6-7,5-3 |
| ITF Tunisia F11 | 2018/03/20 10:25 | Aziz Ouakaa v Christoph Negritu | 0-6,3-6 |
| ITF Tunisia F10 | 2018/03/15 08:30 | Christoph Negritu v Oriol Roca Batalla | 6-7,2-6 |
| ITF Tunisia F10 | 2018/03/13 08:30 | Christoph Negritu v Duje Kekez | 6-3,5-7,6-4 |
| ITF Germany F3 | 2018/01/31 10:00 | Christoph Negritu v Mats Rosenkranz | 4-6,6-3,1-6 |
| ITF Germany F3 Qual | 2018/01/29 16:40 | Christoph Negritu v Leon Hoeveler | 6-3,6-0 |
| ITF Germany F3 Qual | 2018/01/28 18:00 | Christoph Negritu v Jim Walder | 6-3,7-6 |
| ITF Tunisia F11 | 2018/03/25 09:00 | Juan Carlos Saez v Oriol Roca Batalla | 5-7,1-6 |
| ITF Tunisia F11 | 2018/03/24 12:30 | Miljan Zekic v Juan Carlos Saez | 6-7,5-7 |
| ITF Tunisia F11 | 2018/03/23 11:15 | Lucas Catarina v Juan Carlos Saez | 5-7,4-6 |
| ITF Tunisia F11 | 2018/03/22 11:00 | Ignacio Monzon v Juan Carlos Saez | 1-6,2-6 |
| ITF Tunisia F11 | 2018/03/20 08:30 | Juan Carlos Saez v Mariano Kestelboim | 6-2,6-3 |
| Challenger Santiago Qual | 2018/03/03 19:50 | Gian Marco Moroni v Juan Carlos Saez | 6-4,5-7,7-5 |
| Challenger Punta Del Este Qual | 2018/02/25 18:00 | Juan Ignacio Londero v Juan Carlos Saez | 6-1,6-3 |
| Challenger Punta Del Este Qual | 2018/02/24 16:15 | Juan Carlos Saez v Alejandro Tabilo | 1-6,6-2,6-3 |