Round: 62 Ground: Clay
| ITF - Brasil F9 | 2018/11/11 14:00 | Vinicius Ono v Lucas Gessner | 6-4,6-4 |
| ITF - Brasil F8 | 2018/11/04 13:00 | Rafael Saraiva v Lucas Gessner | 7-6,6-2 |
| ITF - Brasil F7 | 2018/10/27 14:30 | Joao Giannella v Lucas Gessner | 6-3,6-4 |
| ITF - Brasil F6 | 2018/10/20 13:00 | Lucas Gessner v Joao Giannella | 4-6,0-6 |
| ITF - Brasil F5 | 2018/10/14 14:00 | Felipe Garla v Lucas Gessner | 6-3,6-1 |
| ITF Portugal F11 Qual | 2018/07/01 15:45 | Afonso Salgado v Lucas Gessner | 7-5,6-3 |
| ITF - Portugal F10 | 2018/06/23 09:00 | Edoardo Graziani v Lucas Gessner | 6-0,6-0 |
| ITF - Portugal F9 | 2018/06/17 09:00 | Lucas Gessner v Afonso Portugal | 2-6,0-6 |
| ITF - Panamá F4 | 2018/11/21 16:35 | Alejandro H Franco v Ignacio Carou | 6-4,1-6,4-6 |
| ITF - Panamá F4 | 2018/11/19 21:00 | Alejandro H Franco v Marco Saffratti | 6-0,6-4 |
| ITF - EUA F32 | 2018/11/11 16:00 | Rafael Lima Wagner v Alejandro H Franco | 6-1,6-1 |
| ITF - EUA F30 | 2018/11/07 22:25 | Alejandro H Franco v Alvaro Fernandez Horta | 3-6,5-7 |
| ITF - EUA F30 | 2018/11/05 16:00 | Henrik Wiersholm v Alejandro H Franco | 4-6,6-1,1-6 |
| ITF - EUA F30 | 2018/11/04 16:00 | Alejandro H Franco v Elio Jose Ribeiro Lago | 3-6,6-4,6-3 |
| ITF - EUA F30 | 2018/11/03 16:00 | Aljaz Jakob Kaplja v Alejandro H Franco | 2-6,2-6 |
| ITF - Peru F3 | 2018/10/07 16:00 | Alejandro H Franco v Felipe Derdoy | 2-6,3-6 |