Stadium: Court 2 Round: 25
| ITF Vietnam F4 | 2018/10/23 05:30 | Karl Friberg v Bergevi, Filip | 3-6,2-6 |
| ATP Stockholm | 2018/10/14 13:55 | Polansky, Peter v Karl Friberg | 6-4,6-1 |
| ITF Sweden F5 | 2018/10/01 14:00 | Karl Friberg v Otto Virtanen | 3-6,7-5,1-6 |
| ITF Sweden F4 | 2018/09/25 11:00 | Karl Friberg v Otto Virtanen | 6-1,5-7,0-6 |
| ITF Great Britain F5 | 2018/09/18 11:40 | Karl Friberg v Aidan Mchugh | 6-4,4-6,6-7 |
| ITF Great Britain F4 | 2018/09/12 12:05 | Jack Draper v Karl Friberg | 6-3,6-4 |
| ITF Great Britain F4 | 2018/09/11 13:00 | Carter, Robert v Karl Friberg | 6-7,3-6 |
| ITF Belgium F10 | 2018/08/28 12:00 | Dhoe, Benjamin v Karl Friberg | 6-3,6-2 |
| ITF Vietnam F4 | 2018/10/23 02:30 | Roman Safiullin v Markovic, Goran | 6-1,6-1 |
| ITF Germany F15 | 2018/10/10 10:25 | Markovic, Goran v Presuhn, Bastien | 2-6,4-6 |
| ITF Bolivia F3 | 2018/09/26 16:20 | Andres Urrea v Markovic, Goran | 6-3,6-3 |
| ITF Bolivia F3 | 2018/09/25 14:00 | Matias Riva v Markovic, Goran | 7-6,2-6,3-6 |
| ITF Bolivia F2 | 2018/09/18 19:00 | Markovic, Goran v Doria, Luciano | 6-7,6-3,4-6 |
| ITF Bolivia F1 | 2018/09/12 21:30 | Markovic, Goran v Garcia, Raul | 5-7,3-6 |
| ITF Bolivia F1 | 2018/09/11 21:30 | Markovic, Goran v Doria Medina, Nicolas | 6-3,6-3 |
| Serbia F5, Singles | 2018/09/06 12:10 | Daljev, Pavle v Markovic, Goran | 6-3,6-3 |