Stadium: Court 9 Round: 25 Ground: Clay
| ITF Finland F2 | 2018/08/09 09:30 | Rochette, Laurent v Karl Friberg | 6-1,6-0 |
| ITF Finland F2 | 2018/08/08 08:00 | Kristjan Tamm v Karl Friberg | 4-6,3-6 |
| ITF Finland F2 | 2018/08/06 09:55 | Ahti, Ville-Petteri v Karl Friberg | 0-6,4-6 |
| Challenger Sopot Qual | 2018/07/30 08:30 | Renzo Olivo v Karl Friberg | 6-4,7-6 |
| Challenger Tampere | 2018/07/21 11:40 | Kocevar-Desman, Tom v Karl Friberg | 6-4,7-6 |
| ITF Estonia F1 | 2018/07/18 07:00 | Karl Friberg v Denis Klok | 4-6,6-3,5-7 |
| ITF Estonia F1 | 2018/07/17 08:45 | Martins Rocens v Karl Friberg | 5-7,0-6 |
| Challenger Bastad Qual | 2018/07/08 11:40 | Okala, Jules v Karl Friberg | 6-0,6-0 |
| ITF Finland F2 | 2018/08/07 09:35 | Patrick Kaukovalta v Konecny, Michal | 6-7,4-6 |
| ITF Finland F1 | 2018/08/01 08:00 | Dischinger, Eduardo v Patrick Kaukovalta | 3-6,6-2,6-3 |
| ITF Finland F1 | 2018/07/31 10:00 | Patrick Kaukovalta v Hermans, Mats | 3-6,6-2,6-3 |
| ITF Finland F3 | 2017/08/16 10:00 | Appelgren, Daniel v Patrick Kaukovalta | 4-6,6-4,6-2 |
| ITF Finland F3 | 2017/08/15 08:25 | Patrick Kaukovalta v Bortolotti, Marco | 6-1,6-3 |
| ITF Finland F2 | 2017/08/09 11:10 | Patrick Kaukovalta v Cagnina, Julien | 2-6,1-6 |
| ITF Finland F2 | 2017/08/08 16:45 | Tuukkanen, Aleksi v Patrick Kaukovalta | 0-6,1-6 |
| ITF Finland F2 Qual | 2017/08/07 08:30 | Patrick Kaukovalta v Malbasic, Filip | 6-1,6-0 |