Stadium: Center Court Round: 27 Ground: Clay
| ITF Tunisia F4 | 2016/02/02 11:30 | Pedro Sousa v Joao Domingues | 6-1,4-6,6-3 |
| Challenger Santiago | 2018/03/05 21:00 | Tommy Robredo v Pedro Sousa | 6-4,7-5 |
| Challenger Punta Del Este Qual | 2018/02/28 20:55 | Enrique Lopez-Perez v Pedro Sousa | 6-3,7-5 |
| Challenger Punta del Este | 2018/02/27 17:20 | Bernabe Zapata Miralles v Pedro Sousa | 6-3,3-6,1-6 |
| ATP Rio De Janeiro Qual | 2018/02/17 18:00 | Renzo Olivo v Pedro Sousa | 6-4,6-3 |
| Challenger Rome 2 | 2017/09/27 13:45 | Carlos Taberner v Pedro Sousa | 6-3,3-6,6-1 |
| Challenger Rome 2 | 2017/09/25 10:50 | Arthur De Greef v Pedro Sousa | 1-6,4-6 |
| Davis Cup | 2017/09/15 12:55 | Pedro Sousa v Jan-Lennard Struff | 6-2,7-5,7-6 |
| Challenger Alphen | 2017/09/07 11:35 | Tallon Griekspoor v Pedro Sousa | 1-6,6-0,7-6 |
| Challenger Santiago | 2018/03/06 17:20 | Rogerio Dutra Silva v Joao Domingues | 7-6,6-4 |
| ATP Sao Paulo | 2018/02/28 20:30 | Joao Domingues v Fabio Fognini | 5-7,1-6 |
| ATP Sao Paulo | 2018/02/26 18:15 | Renzo Olivo v Joao Domingues | 6-2,6-7,5-7 |
| ATP Sao Paulo Qual | 2018/02/25 14:00 | Joao Domingues v Ivan Nedelko | 6-2,6-1 |
| ATP Sao Paulo Qual | 2018/02/24 15:50 | Joao Domingues v Jose Hernandez-Fernandez | 6-2,6-4 |
| ATP Rio De Janeiro Qual | 2018/02/17 19:45 | Marco Cecchinato v Joao Domingues | 6-3,6-2 |
| ATP Buenos Aires Qual | 2018/02/10 20:45 | Joao Domingues v Casper Ruud | 1-6,3-6 |
| Australian Open Qual | 2018/01/10 02:40 | Joao Domingues v Peter Polansky | 6-7,4-6 |