Stadium: Court 9 Round: 25 Ground: Clay
| ITF Finland F2 | 2018/08/09 09:30 | Ollert, Lukas v Konecny, Michal | 2-6,4-6 |
| ITF Finland F2 | 2018/08/08 08:00 | Ollert, Lukas v Taylor, Sam | 6-1,7-6 |
| ITF Finland F2 | 2018/08/06 09:10 | Ollert, Lukas v Tuomi, Verneri | 6-1,6-2 |
| ITF Austria F2 | 2018/07/12 11:15 | Peter Heller v Ollert, Lukas | 6-3,6-2 |
| ITF Austria F2 | 2018/07/11 14:40 | Winkler, Georg v Ollert, Lukas | 1-6,2-6 |
| ITF Austria F1 | 2018/07/04 11:10 | Haim, Matthias v Ollert, Lukas | 6-4,6-3 |
| ITF Austria F1 | 2018/07/02 11:10 | Ollert, Lukas v Martins Rocens | 6-1,6-1 |
| ITF Tunisia F25 | 2018/06/26 10:15 | Ollert, Lukas v Gabi Adrian Boitan | 1-6,1-6 |
| ITF Finland F3 | 2018/08/12 10:00 | Tiainen, Jussi v Saatela, Leevi | 4-6,3-6 |
| ITF Finland F2 Qual | 2018/08/04 07:00 | Ahti, Ville-Petteri v Saatela, Leevi | 6-4,6-1 |
| ITF Finland F1 Qual | 2018/07/29 08:40 | Capello, Ettore v Saatela, Leevi | 6-2,6-1 |
| ITF Finland F1 Qual | 2018/07/28 07:00 | Rouvala, Mikko v Saatela, Leevi | 3-6,2-6 |
| ITF Hungary F1 Qual | 2018/05/06 08:00 | Tino Kovacic v Saatela, Leevi | 4-6,6-4,6-0 |
| ITF Greece F4 | 2018/03/17 07:30 | Ono, Masayoshi v Saatela, Leevi | 6-1,6-0 |
| ITF Greece F3 | 2018/03/12 08:00 | Enrico Dalla Valle v Saatela, Leevi | 6-1,6-2 |
| ITF Greece F3 | 2018/03/11 08:00 | Saatela, Leevi v Flinner, Marek | 1-6,7-6,6-4 |