Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| ITF Portugal F1 | 2018/02/19 16:30 | Joao Antonio v Alberto C Sanchez | 3-6,6-4,6-3 |
| ITF Portugal F1 | 2018/02/19 10:00 | Maxence Broville v Joao Antonio | 4-6,2-6 |
| ITF Portugal F18 | 2017/08/26 09:00 | Joao Antonio v Manuel Montalvo Hidalgo | 3-6,2-6 |
| ITF Portugal F4 | 2017/03/27 14:30 | Billy Harris v Joao Antonio | 5-7,6-3,6-1 |
| ITF Portugal F4 | 2017/03/26 13:30 | Joao Antonio v Illia Stoliar | 6-2,6-1 |
| ITF Portugal F4 | 2017/03/25 10:00 | Manuel Almeida v Joao Antonio | 1-6,2-6 |
| ITF Portugal F3 Qual | 2017/03/12 10:00 | Guido Marson v Joao Antonio | 6-0,6-3 |
| ITF Portugal F2 | 2017/03/04 09:30 | Alexander Weis v Joao Antonio | 6-2,6-3 |
| ITF Peru F2 | 2017/12/18 18:30 | Igor Marcondes v Junior Alexander Ore | 5-7,5-7 |
| ITF Peru F1 | 2017/12/11 19:00 | Matias Franco Descotte v Igor Marcondes | 4-6,6-0,7-6 |
| ITF Brazil F4 | 2017/11/29 12:00 | Igor Marcondes v Rafael Matos | 3-6,3-6 |
| ITF Brazil F4 | 2017/11/27 15:00 | Matheus P De Almeida v Igor Marcondes | 4-6,2-6 |
| ITF Brazil F2 | 2017/11/16 13:00 | Wilson Leite v Igor Marcondes | 7-6,6-2 |
| ITF Brazil F2 | 2017/11/14 17:40 | Igor Marcondes v Gabriel P Tumasonis | 6-3,6-4 |
| ITF USA F34 | 2017/10/19 15:00 | Jeffrey John Wolf v Igor Marcondes | 6-1,6-3 |
| ITF USA F32 | 2017/09/30 17:30 | Igor Marcondes v Ronnie Schneider | 3-6,4-6 |