Stadium: Center Court Round: 28 Ground: Clay
| ITF Brazil F4 | 2017/11/29 12:00 | Ribeiro Marcondes, Igor v Matos, Rafael | 3-6,3-6 |
| ITF Spain F12 | 2017/05/02 08:00 | Matos, Rafael v Ribeiro Marcondes, Igor | 6-3,3-6,2-6 |
| ITF Brazil F3 | 2016/07/15 22:10 | Ribeiro Marcondes, Igor v Matos, Rafael | 7-5,6-2 |
| ITF Brazil F2 | 2018/05/04 15:00 | Schmid, Aaron v Ribeiro Marcondes, Igor | 6-7,3-6 |
| ITF Brazil F2 | 2018/05/02 15:00 | Tsuchiya, Alexandre v Ribeiro Marcondes, Igor | 7-5,5-7,3-6 |
| ITF Brazil F2 | 2018/04/30 15:00 | Ribeiro Marcondes, Igor v Jose Pereira | 6-4,7-6 |
| ITF Brazil F1 | 2018/04/23 19:15 | Ribeiro Marcondes, Igor v Oscar Jose Gutierrez | 6-2,2-6,3-6 |
| ITF Egypt F13 | 2018/04/11 09:25 | Ribeiro Marcondes, Igor v Vernier, Michel | 3-6,6-7 |
| Egypt F12, Singles Qualifying | 2018/04/05 09:15 | Ribeiro Marcondes, Igor v Montsi, Siphosothando | 4-6,2-6 |
| Egypt F12, Singles Qualifying | 2018/04/04 08:00 | Krivic, Ivan v Ribeiro Marcondes, Igor | 3-6,1-6 |
| ITF Egypt F11 | 2018/03/29 08:00 | Ribeiro Marcondes, Igor v Roman Safiullin | 3-6,2-6 |
| ITF Brazil F2 | 2018/05/02 22:45 | Miele, Andre v Matos, Rafael | 3-6,3-6 |
| ITF Brazil F2 | 2018/05/01 16:15 | Laranja, Augusto v Matos, Rafael | 2-6,7-6,3-6 |
| ITF Brazil F1 | 2018/04/27 17:20 | Matos, Rafael v Thiago Seyboth Wild | 2-6,6-7 |
| ITF Brazil F1 | 2018/04/26 15:30 | Matos, Rafael v Severino, Carlos Eduardo | 7-5,6-2 |
| ITF Brazil F1 | 2018/04/24 14:40 | Matos, Rafael v Laranja, Augusto | 6-3,6-1 |
| ITF Turkey F11 | 2018/03/23 08:00 | Matos, Rafael v Genaro Alberto Olivieri | 1-6,4-6 |
| ITF Turkey F11 | 2018/03/22 07:30 | Matos, Rafael v Melnic, Vladislav | 6-3,0-6,6-2 |
| ITF Turkey F11 | 2018/03/21 11:35 | Matos, Rafael v Francisco Comesana | 6-3,6-3 |