Stadium: Court 6 Round: 62 Ground: Clay
| ITF Serbia F2 | 2018/08/15 10:00 | Nino Portales v Ergi Kirkin | 3-6,2-6 |
| ITF Latvia F1 | 2018/08/01 11:50 | Ronald Slobodchikov v Nino Portales | 6-2,6-0 |
| ITF Latvia F1 | 2018/07/30 07:10 | Nino Portales v Mateusz Terczynski | 6-3,0-6,6-4 |
| ITF Latvia F1 | 2018/07/29 07:00 | Nino Portales v Alessandro Procopio | 7-5,6-2 |
| ITF Latvia F1 | 2018/07/28 09:30 | Nino Portales v Deivids Juksa | 4-6,6-4,7-6 |
| ITF Lithuania F1 | 2018/07/22 08:00 | Nino Portales v Bart Stevens | 2-6,1-6 |
| ITF Lithuania F1 | 2018/07/21 13:00 | Nino Portales v Artur Kulibaba | 6-4,7-6 |
| ITF Lithuania F1 | 2018/07/21 10:00 | Nino Portales v Artsiom Cherkasau | 6-2,6-1 |
| ITF Hungary F5 Qual | 2018/06/17 10:30 | Matvey Khomentovskiy v Luka Markovic | 6-0,6-0 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/14 09:05 | Luka Markovic v Stefan Micov | 2-6,0-6 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/12 11:30 | Pavle Daljev v Luka Markovic | 6-7,6-2,6-7 |