Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF Sweden F3 | 2018/05/21 08:00 | Marc Dijkhuizen v Frederik Press | 1-6,6-3,6-7 |
| ITF Sweden F3 Qual | 2018/05/20 09:00 | Marc Dijkhuizen v Rasmus Johnsson | 6-3,6-1 |
| ITF Sweden F2 | 2018/05/16 10:25 | Marc Dijkhuizen v Gabriel Petit | 3-6,6-4,3-6 |
| ITF Sweden F2 | 2018/05/15 08:30 | Marc Dijkhuizen v Antoine Walch | 6-1,6-2 |
| ITF Turkey F17 | 2018/05/01 13:30 | Robin Thour v Marc Dijkhuizen | 6-4,7-5 |
| ITF Turkey F16 | 2018/04/21 09:30 | Marc Dijkhuizen v Lazar Vojinovic | 6-7,1-6 |
| ITF Portugal F4 | 2018/03/13 15:20 | Tsung-Hua Yang v Marc Dijkhuizen | 6-4,6-2 |
| ITF Portugal F4 | 2018/03/12 10:00 | Peter Bothwell v Marc Dijkhuizen | 6-1,6-2 |
| ITF Turkey F21 | 2018/05/31 11:10 | Christopher Heyman v Jonas Trinker | 6-7,6-3,7-6 |
| ITF Turkey F21 | 2018/05/29 07:30 | Mert Naci Turker v Jonas Trinker | 2-6,1-6 |
| ITF Sweden F3 | 2018/05/22 10:10 | Jonas Trinker v Alexander Ritschard | 3-6,1-6 |
| ITF Sweden F3 Qual | 2018/05/20 09:00 | Jonas Trinker v Adam Heinonen | 7-6,6-1 |
| ITF Sweden F2 | 2018/05/16 10:15 | Lukas Ollert v Jonas Trinker | 6-1,6-4 |
| ITF Sweden F2 | 2018/05/14 11:50 | Jonas Trinker v Linus Frost | 6-2,7-6 |
| ITF Turkey F17 | 2018/05/03 07:30 | Juan Pablo Varillas v Jonas Trinker | 6-2,6-1 |
| ITF Turkey F17 | 2018/05/02 07:30 | Jonas Trinker v Gabriel Schmidt | 6-4,3-6,7-6 |