Stadium: Court 2 Round: 25 Ground: Clay
| 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 |
| ITF Turkey F16 | 2018/04/21 09:30 | Gorazd Srbljak v Jonas Trinker | 6-4,6-3 |
| ITF Spain F2 | 2018/01/22 09:00 | Marc Fornell-Mestres v Jonas Trinker | 7-6,6-0 |
| ITF Spain F2 | 2018/01/21 11:30 | Oscar M Cornella v Jonas Trinker | 1-6,4-6 |
| ITF Spain F2 | 2018/01/20 13:30 | Ivan Marrero Curbelo v Jonas Trinker | 7-6,4-6,3-6 |
| ITF Spain F1 | 2018/01/15 09:00 | Jonas Trinker v Yahor Yatsyk | 6-4,3-6,3-6 |
| ITF Spain F1 | 2018/01/14 09:00 | Jonas Trinker v Bjorn Nareyka | 6-3,7-5 |
| ITF Sweden F1 | 2018/05/08 10:20 | Dragos Nicolae Madaras v Linus Frost | 6-4,6-2 |
| ITF Turkey F16 | 2018/04/23 07:30 | Nik Razborsek v Linus Frost | 6-3,6-3 |
| ITF Turkey F16 | 2018/04/22 07:30 | Linus Frost v Santiago Besada | 7-5,6-2 |
| ITF Turkey F16 | 2018/04/21 09:30 | Vital Flurin Leuch v Linus Frost | 1-6,0-6 |
| ITF Turkey F15 | 2018/04/15 09:30 | Linus Frost v Nicolas Xiviller | 6-7,2-6 |
| ITF Turkey F15 | 2018/04/14 07:30 | Linus Frost v Ruben Busch | 6-1,6-1 |
| ITF USA F8 Qual | 2018/03/17 17:00 | Andrew Fenty v Linus Frost | 2-6,5-7 |
| ITF USA F7 Qual | 2018/03/11 18:00 | Ricardo Rodriguez-Pace v Linus Frost | 7-5,6-2 |