Stadium: Ringi 2 Round: 44 Ground: Hardcourt indoor
| Challenger Bastad Qual | 2018/07/08 08:15 | Di Wu v Christoffer Solberg | 6-2,6-1 |
| Challenger Bastad Qual | 2018/07/07 08:15 | Ozan Cildir v Christoffer Solberg | 1-6,2-6 |
| ITF Tunisia F25 | 2018/06/25 08:30 | Pol Martin Tiffon v Christoffer Solberg | 6-0,6-4 |
| ITF Tunisia F25 | 2018/06/24 10:00 | Tadija Radovanovic v Christoffer Solberg | 1-6,3-6 |
| ITF Sweden F3 | 2018/05/23 09:50 | Christoffer Solberg v Louis Wessels | 2-6,4-6 |
| ITF Sweden F3 | 2018/05/21 08:00 | Christoffer Solberg v Mateusz Terczynski | 6-4,7-5 |
| ITF Sweden F3 Qual | 2018/05/20 10:30 | Christoffer Solberg v Patrick Mayer | 6-3,6-4 |
| ITF Sweden F3 Qual | 2018/05/19 10:05 | Christoffer Solberg v Ossian Swahn | 6-1,6-3 |
| ITF Portugal F11 Qual | 2018/07/03 08:30 | Ivan Marrero Curbelo v Roberts Grinvalds | 6-3,6-4 |
| ITF Portugal F11 Qual | 2018/07/02 08:30 | Afonso Cortez v Roberts Grinvalds | 1-6,1-6 |
| ITF Portugal F11 Qual | 2018/06/30 08:30 | Sizya Ernest Kivanda v Roberts Grinvalds | 2-6,6-7 |
| ITF Portugal F9 | 2018/06/18 09:00 | Tiago Cacao v Roberts Grinvalds | 6-1,6-3 |
| ITF Portugal F9 | 2018/06/17 11:30 | Goncalo Ferreira v Roberts Grinvalds | 6-3,1-6,2-6 |
| ITF Portugal F9 | 2018/06/16 09:00 | Joao Ferreira v Roberts Grinvalds | 1-6,6-7 |
| Davis Cup | 2018/04/07 08:00 | Roberts Grinvalds v Serafin Zund | 6-0,6-0 |
| Davis Cup | 2018/04/04 07:00 | Roberts Grinvalds v Ioannis Stergiou | 0-6,4-6 |