Stadium: Court 2 Round: 26 Ground: Clay
| ITF M25 - Risskov/Aarhus | 2023/06/13 08:30 | Christian Sigsgaard v Michael Minasyan | 6-3,6-2 |
| UTR Pro - København | 2023/06/03 07:30 | Christian Sigsgaard v Philip Hjorth | 6-2,7-5 |
| UTR Pro - København | 2023/06/02 10:00 | Christian Sigsgaard v Adam Heinonen | 7-6,6-7,6-1 |
| UTR Pro - København | 2023/05/31 06:00 | Christian Sigsgaard v Olle S Lidholt | 6-1,6-2 |
| UTR Pro - København | 2023/05/30 07:30 | Christian Sigsgaard v Julian Cundom | 6-1,6-0 |
| UTR Pro - København | 2023/05/29 07:30 | Christian Sigsgaard v Petr Iamachkine | 6-4,6-3 |
| UTR Pro - København | 2023/05/28 07:30 | Christian Sigsgaard v Hans Albert Schubert | 6-0,6-2 |
| ITF M25 - Nottingham - Kvalifikation | 2023/04/30 09:00 | Christian Sigsgaard v Ioannis Xilas | 6-7,2-6 |
| ITF M25 - Risskov/Aarhus | 2023/06/13 08:30 | Gianluca Cadenasso v Karl Friberg | 3-6,1-6 |
| ITF M15 - Vaasa | 2023/06/11 08:55 | Karl Friberg v Patrick Kaukovalta | 6-0,6-4 |
| ITF M15 - Vaasa | 2023/06/10 08:00 | Karl Friberg v Tom Gentzsch | 6-1,6-1 |
| ITF M15 - Vaasa | 2023/06/09 11:20 | Karl Friberg v Leonardo Rossi | 6-4,6-7,7-6 |
| ITF M15 - Vaasa | 2023/06/08 09:15 | Karl Friberg v Nico Hornitschek | 6-3,6-3 |
| ITF M15 - Vaasa | 2023/06/07 09:50 | Karl Friberg v Lewie Lane | 7-5,6-3 |
| Challenger - Troisdorf | 2023/06/01 13:00 | Karl Friberg v Oleksii Krutykh | 6-1,1-6,4-6 |
| Challenger - Troisdorf | 2023/05/30 16:25 | Filip Misolic v Karl Friberg | 5-7,6-4,4-6 |