Stadium: Court 2 Round: 27 Ground: Clay
| ITF Brazil F2 | 2018/05/02 15:00 | Carlos E. Severino v Nicolas Santos | 7-6,6-3 |
| ITF Brazil F4 | 2018/05/17 21:30 | Nicolas Santos v Gonzalo Lama | 6-4,6-7,2-6 |
| ITF Brazil F4 | 2018/05/15 13:00 | Felipe Garla v Nicolas Santos | 2-6,0-6 |
| ITF Brazil F3 | 2018/05/12 17:20 | Nicolas Santos v Oscar Jose Gutierrez | 6-4,3-6,4-6 |
| ITF Brazil F3 | 2018/05/11 22:45 | Christian Lindell v Nicolas Santos | 4-6,2-6 |
| ITF Brazil F3 | 2018/05/09 16:40 | Asdrubal Gobernate v Nicolas Santos | 4-6,2-6 |
| ITF Brazil F3 | 2018/05/07 15:30 | Nicolas Santos v Wilson Leite | 6-2,6-4 |
| ITF Brazil F2 | 2018/05/02 15:00 | Carlos E. Severino v Nicolas Santos | 7-6,6-3 |
| ITF Brazil F1 | 2018/04/26 01:30 | Nicolas Santos v Christian Lindell | 6-7,4-6 |
| Challenger Binghamton Qual | 2018/07/21 13:00 | Antoine Escoffier v Carlos E. Severino | 6-2,6-4 |
| ITF Brazil F4 | 2018/05/16 15:30 | Daniel Dutra Da Silva v Carlos E. Severino | 6-4,6-1 |
| ITF Brazil F4 | 2018/05/15 13:00 | Carlos E. Severino v Gabriel De Andrade Bendazoli | 6-1,6-1 |
| ITF Brazil F2 | 2018/05/02 15:00 | Carlos E. Severino v Nicolas Santos | 7-6,6-3 |
| ITF Brazil F2 | 2018/05/01 15:00 | Wilson Leite v Carlos E. Severino | 2-6,7-6,6-7 |
| ITF Brazil F1 | 2018/04/26 15:30 | Rafael Matos v Carlos E. Severino | 7-5,6-2 |
| ITF Brazil F1 | 2018/04/24 16:05 | Thales Turini v Carlos E. Severino | 6-4,2-6,4-6 |
| ITF Portugal F6 | 2018/03/27 09:00 | Romain Barbosa v Carlos E. Severino | 6-2,6-2 |