Stadium: Centre Court Round: 25
| ITF Portugal F17 | 2018/09/23 10:00 | Joao Monteiro v Fred Gil | 6-3,4-6,5-7 |
| ITF Portugal F17 | 2018/09/22 10:00 | Tiago Cacao v Fred Gil | 6-2,3-6,6-7 |
| ITF Portugal F17 | 2018/09/21 09:00 | Eduardo Dischinger v Fred Gil | 3-6,1-6 |
| ITF Portugal F17 | 2018/09/20 10:00 | Patrick Mayer v Fred Gil | 1-6,3-6 |
| ITF Portugal F17 | 2018/09/18 12:50 | Simao Alves v Fred Gil | 1-6,1-6 |
| ITF Tunisia F31 | 2018/09/13 12:35 | Fred Gil v Moritz Trocker | 3-6,3-6 |
| ITF Tunisia F31 | 2018/09/11 11:00 | Fred Gil v Christian Seraphim | 7-6,2-6,6-3 |
| ITF Tunisia F31 | 2018/09/10 09:00 | Fred Gil v Ameur Ben Hassen | 6-3,6-1 |
| ITF Portugal F18 | 2018/09/24 10:55 | Joao Graca v Igor Sao Thiago | 5-7,1-6 |
| ITF Portugal F18 | 2018/09/23 13:00 | Illia Stoliar v Igor Sao Thiago | 6-4,3-6,3-6 |
| ITF Portugal F17 | 2018/09/17 14:45 | Maksim Tikhomirov v Igor Sao Thiago | 6-7,6-2,6-3 |
| ITF Brazil F4 Qual | 2018/05/14 14:50 | Enrique Bogo v Igor Sao Thiago | 6-1,2-6,6-3 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Franco Roncadelli v Igor Sao Thiago | 5-7,3-6 |
| ITF Brazil F3 | 2018/05/07 12:30 | Felipe Garla v Igor Sao Thiago | 6-4,4-6,7-5 |
| ITF Brazil F3 | 2018/05/06 12:30 | Joao M Nusdeo v Igor Sao Thiago | 3-6,3-6 |
| ITF Brazil F2 | 2018/04/29 15:00 | Alex Blumenberg v Igor Sao Thiago | 6-4,5-7,6-4 |