Stadium: Center Round: 27 Ground: Hardcourt indoor
| ITF Finland F4 | 2018/11/14 12:00 | Karl Friberg v Alexander Vasilenko | 6-3,6-3 |
| ITF Finland F4 | 2018/11/13 15:45 | Denis Klok v Karl Friberg | 3-6,1-6 |
| ITF Thailand F8 | 2018/11/05 02:00 | Karl Friberg v Abhinav Sanjeev Shanmugam | 6-7,6-3,6-7 |
| ITF Thailand F8 | 2018/11/04 02:00 | Karl Friberg v Kittirat Kerdlaphee | 3-6,6-3,6-2 |
| ITF Vietnam F5 | 2018/11/01 05:15 | Cheng-Yu Yu v Karl Friberg | 6-3,6-3 |
| ITF Vietnam F5 | 2018/10/30 04:35 | Karl Friberg v Goran Markovic | 6-3,6-2 |
| ITF Vietnam F4 | 2018/10/23 05:30 | Karl Friberg v Filip Bergevi | 3-6,2-6 |
| ATP Stockholm | 2018/10/14 13:55 | Peter Polansky v Karl Friberg | 6-4,6-1 |
| ITF Finland F4 | 2018/11/13 11:00 | Karl Kiur Saar v Louis Wessels | 3-6,6-7 |
| Challenger Eckental | 2018/10/30 11:00 | Louis Wessels v Oscar Otte | 3-6,1-6 |
| ITF Germany F16 | 2018/10/27 11:00 | Altug Celikbilek v Louis Wessels | 6-2,2-6,6-4 |
| ITF Germany F16 | 2018/10/25 15:00 | Arthur Reymond v Louis Wessels | 4-6,6-4,5-7 |
| ITF Germany F16 | 2018/10/24 12:15 | Michael Geerts v Louis Wessels | 2-6,3-6 |
| ITF Germany F16 | 2018/10/23 13:30 | Osman Torski v Louis Wessels | 5-7,3-6 |
| Challenger Ismaning | 2018/10/18 11:30 | Jeremy Jahn v Louis Wessels | 7-6,6-4 |
| Challenger Ismaning | 2018/10/16 13:25 | Louis Wessels v Lucas Miedler | 7-6,6-3 |