Stadium: Court 16 Round: 26 Ground: Clay
| ITF Spain F9 | 2018/04/18 09:00 | Michiel de Krom v Juan Carlos Saez | 5-7,0-6 |
| ITF Tunisia F14 | 2018/04/10 11:00 | Michael Vrbensky v Juan Carlos Saez | 6-2,6-4 |
| ITF Tunisia F13 | 2018/04/05 09:00 | Matej Vocel v Juan Carlos Saez | 6-3,6-2 |
| ITF Tunisia F13 | 2018/04/03 09:00 | Bernardo Saraiva v Juan Carlos Saez | 7-6,4-6,6-7 |
| ITF Tunisia F12 | 2018/03/29 10:25 | Simone Roncalli v Juan Carlos Saez | 2-6,7-5,7-5 |
| ITF Tunisia F12 | 2018/03/28 08:30 | Christoph Negritu v Juan Carlos Saez | 1-6,1-6 |
| 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 Spain F9 | 2018/04/18 12:00 | Benjamin Hassan v Daniel Munoz-De La Nava | 0-6,7-6,6-7 |
| Challenger Mexico City | 2018/04/10 18:20 | Andrea Basso v Daniel Munoz-De La Nava | 6-7,6-4,6-1 |
| Challenger Panama City | 2018/04/02 20:45 | Renzo Olivo v Daniel Munoz-De La Nava | 6-4,6-4 |
| Challenger San Luis Potosi | 2018/03/29 20:25 | Marcelo Arevalo v Daniel Munoz-De La Nava | 6-3,7-6 |
| Challenger San Luis Potosi | 2018/03/28 18:00 | Daniel Munoz-De La Nava v Kevin Krawietz | 6-4,7-5 |
| ATP Quito Qual | 2018/02/03 16:00 | Pedro Sakamoto v Daniel Munoz-De La Nava | 3-6,6-4,6-4 |
| ITF Spain F2 | 2018/01/28 10:50 | Daniel Munoz-De La Nava v Lorenzo Giustino | 6-4,5-7,6-3 |
| ITF Spain F2 | 2018/01/27 10:00 | Yunseong Chung v Daniel Munoz-De La Nava | 3-6,4-6 |