| ITF Portugal F13 | 2018/07/29 08:30 | Albertoni, Davide v Graca, Joao | 6-4,6-1 |
| ITF Portugal F13 | 2018/07/28 08:30 | Graca, Joao v Andre, Fernando | 6-3,6-3 |
| ITF Portugal F6 Qual | 2018/03/24 13:00 | Graca, Joao v Rodrigues, Pedro Gabriel | 4-6,1-6 |
| ITF Portugal F5 Qual | 2018/03/18 11:30 | Graca, Joao v Gabriele Moghini | 6-2,3-6,3-6 |
| Portugal F4, Singles Qualifying | 2018/03/10 12:30 | Graca, Joao v Rodrigues Girotto, Alexandre Gabriel | 6-2,5-7,4-6 |
| ITF Portugal F3 | 2018/03/05 16:00 | Rodrigues Girotto, Alexandre Gabriel v Graca, Joao | 4-6,7-5,6-3 |
| ITF Portugal F2 Qual | 2018/02/25 13:00 | Joffrey De Schepper v Graca, Joao | 6-1,6-3 |
| ITF Portugal F2 Qual | 2018/02/24 15:30 | Briceno Lillo, Alex v Graca, Joao | 0-6,0-6 |
| ITF Portugal F16 | 2018/08/18 08:30 | Rafael I Luque v Matos, Diego | 4-6,6-7 |
| ITF Spain F23 | 2018/08/14 14:30 | Antoine Bellier v Rafael I Luque | 6-4,6-2 |
| ITF Portugal F13 | 2018/07/30 09:00 | Rafael I Luque v Ewen Lumsden | 4-6,5-7 |
| ITF Portugal F13 | 2018/07/28 14:00 | Rafael I Luque v Rodrigues, Pedro Gabriel | 7-5,6-1 |
| ITF Portugal F12 Qual | 2018/07/22 09:00 | Rosenzweig, Nicolas v Rafael I Luque | 6-4,6-1 |
| ITF Portugal F12 Qual | 2018/07/21 12:00 | Rodrigues, Pedro Gabriel v Rafael I Luque | 2-6,2-6 |
| ITF Spain F15 | 2018/06/12 16:30 | Rafael I Luque v Sumit Sarkar | 6-4,3-6,6-7 |
| ITF Spain F15 Qual | 2018/06/11 09:30 | Diaz Argente, Luis v Rafael I Luque | 6-3,2-6,1-6 |