Stadium: Court 12 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Falun | 2021/09/26 08:00 | Jonathan Stenberg v Solberg, Christoffer | 6-0,6-2 |
| ITF M25 Jonkoping | 2021/09/20 07:30 | Solberg, Christoffer v Elmer Moller | 6-7,1-6 |
| ITF M15 Parnu | 2021/08/03 07:00 | Solberg, Christoffer v Fellin, Pietro Orlando | 3-6,4-6 |
| ITF M15 Vejle | 2021/07/25 11:00 | Solberg, Christoffer v Valdemar Frederik Pape | 2-6,2-6 |
| ITF - M15 Doboj | 2021/07/13 11:30 | Nincevic, Frane v Solberg, Christoffer | 6-2,7-6 |
| ITF M15 Sofia | 2021/07/05 08:00 | Solberg, Christoffer v Mikhaylyuk, Ivan | 1-6,3-6 |
| ITF M15 Sofia | 2021/07/04 10:30 | Solberg, Christoffer v Sergis Kyratzis | 6-1,6-3 |
| ITF - M15 Antalya | 2020/03/08 08:00 | Gabarro, Xavier v Solberg, Christoffer | 2-1 |
| ITF M15 Doha Qual | 2021/10/10 18:40 | Garv Bahl v Nishith Naveen | 6-0,6-0 |