Stadium: Court 1 Round: 27
| ITF Portugal F20 | 2018/10/11 14:45 | Monteiro, Joao v van Der Horst, Tim | 6-4,6-4 |
| ITF Portugal F20 | 2018/10/10 10:30 | Monteiro, Joao v Davies, George | 6-2,6-4 |
| ITF Portugal F19 | 2018/10/07 09:30 | Monteiro, Joao v Gil, Fred | 2-6,5-7 |
| ITF Portugal F19 | 2018/10/06 11:00 | Monteiro, Joao v Baltensperger, Raphael | 6-4,6-4 |
| ITF Portugal F19 | 2018/10/05 11:00 | Monteiro, Joao v Blanco Guadalupe, Jorge | 6-2,1-6,6-1 |
| ITF Portugal F19 | 2018/10/04 13:05 | Monteiro, Joao v van Der Horst, Tim | 6-4,6-2 |
| ITF Portugal F19 | 2018/10/03 10:40 | Monteiro, Joao v Coelho, Fabio | 6-3,6-1 |
| ITF Portugal F18 | 2018/09/28 11:10 | Cacao, Tiago v Monteiro, Joao | 4-6,6-3,6-2 |
| ITF Portugal F20 | 2018/10/11 14:45 | Hartmeier, Patrik v Butsch, Justin | 2-6,2-6 |
| ITF Portugal F20 | 2018/10/09 11:05 | Sao Thiago, Igor v Butsch, Justin | 6-7,3-6 |
| ITF Portugal F19 | 2018/10/04 10:20 | Franco Emanuel Egea v Butsch, Justin | 6-1,7-6 |
| ITF Portugal F19 | 2018/10/03 14:25 | Butsch, Justin v Sedeno Nieto, Alejandro | 6-0,6-1 |
| Serbia F5, Singles | 2018/09/09 10:00 | Katic, Dejan v Butsch, Justin | 6-4,7-5 |
| Serbia F5, Singles | 2018/09/08 09:00 | Butsch, Justin v Khaledan, Shahin | 7-5,6-0 |
| Serbia F5, Singles | 2018/09/07 08:00 | Marcell Bartakovics v Butsch, Justin | 1-6,5-7 |
| Serbia F5, Singles | 2018/09/06 08:00 | Butsch, Justin v Jirousek, Tomas | 7-6,7-6 |