Stadium: Court 2 Round: 26
| 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 |
| ITF Finland F2 | 2018/08/07 09:00 | Goldsteiner, Peter v Botezan, George | 6-3,6-7,4-6 |
| ITF Finland F1 | 2018/07/31 10:05 | Ahti, Ville-Petteri v Goldsteiner, Peter | 2-6,6-4,6-4 |
| ITF Austria F4 | 2018/07/23 10:00 | Goldsteiner, Peter v Haim, Matthias | 7-5,4-6,6-7 |
| ITF Portugal F20 | 2018/10/09 10:50 | Manrique-Velazquez, Diego-Jose v Tomislav E Papac | 5-7,4-6 |
| ITF Portugal F20 | 2018/10/08 09:00 | Tomislav E Papac v Hans Albert Schubert | 6-2,6-3 |
| ITF Portugal F20 | 2018/10/07 13:00 | Tomislav E Papac v Alves, Simao | 6-3,6-2 |
| ITF Portugal F19 | 2018/10/03 09:00 | Tomislav E Papac v Shane, Ryan | 3-6,3-6 |
| ITF Portugal F18 | 2018/09/23 13:00 | Tomislav E Papac v Salgado, Afonso | 2-6,2-6 |
| ITF Portugal F17 | 2018/09/18 13:50 | Tomislav E Papac v Adan Freire Da Silva | 4-6,7-5,2-6 |
| Serbia F5, Singles | 2018/09/04 11:55 | Tomislav E Papac v Butsch, Justin | 2-6,3-6 |
| ITF Serbia F4 | 2018/08/26 07:00 | Tomislav E Papac v Puric, Nikola | 4-6,2-6 |