Stadium: Court 1 Round: 29
| ITF Portugal F20 | 2018/10/13 11:35 | Monteiro, Joao v Shane, Ryan | 6-2,6-1 |
| ITF Portugal F20 | 2018/10/12 10:00 | Monteiro, Joao v Butsch, Justin | 6-2,6-1 |
| 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 F20 | 2018/10/13 08:30 | Tikhomirov, Maksim v Goldsteiner, Peter | 3-6,6-3,5-7 |
| ITF Portugal F20 | 2018/10/12 11:30 | Goldsteiner, Peter v Schmidt, Gabriel | 6-2,7-5 |
| ITF Portugal F20 | 2018/10/12 08:30 | Goldsteiner, Peter v Tomislav E Papac | 6-4,6-0 |
| ITF Portugal F20 | 2018/10/10 11:00 | Goldsteiner, Peter v Brandao, Filipe | 7-6,6-1 |
| ITF Italy F28 | 2018/09/18 12:00 | Goldsteiner, Peter v Billy Harris | 7-6,4-6,3-6 |
| ITF Italy F27 | 2018/09/11 12:00 | Ceppellini, Alessandro v Goldsteiner, Peter | 7-6,4-6,6-1 |
| ITF Italy F26 | 2018/09/04 13:55 | Goldsteiner, Peter v Gijs Brouwer | 2-6,3-6 |
| ITF Finland F3 | 2018/08/14 13:25 | Goldsteiner, Peter v Eero Vasa | 1-6,6-1,1-6 |