Stadium: Centre Court Round: 26 Ground: Clay
| ITF M15 Alkmaar | 2023/06/28 13:05 | 프리버그, 칼 v 스투르만, 롤란드 | 6-2,6-2 |
| ITF M25 Risskov/Aarhus | 2023/06/15 10:15 | 시그스가르드, 크리스티안 v 프리버그, 칼 | 6-3,6-0 |
| ITF M25 Risskov/Aarhus | 2023/06/13 08:30 | Gianluca Cadenasso v 프리버그, 칼 | 3-6,1-6 |
| ITF M15 Vaasa | 2023/06/11 08:55 | 프리버그, 칼 v Kaukovalta, Patrick | 6-0,6-4 |
| ITF M15 Vaasa | 2023/06/10 08:00 | 프리버그, 칼 v Tom Gentzsch | 6-1,6-1 |
| ITF M15 Vaasa | 2023/06/09 11:20 | 프리버그, 칼 v Leonardo Rossi | 6-4,6-7,7-6 |
| ITF M15 Vaasa | 2023/06/08 09:15 | 프리버그, 칼 v Hornitschek, Nico | 6-3,6-3 |
| ITF M15 Vaasa | 2023/06/07 09:50 | 프리버그, 칼 v Lane, Lewie | 7-5,6-3 |
| ITF M15 Alkmaar | 2023/06/26 08:00 | Masato Perera v Twan Van Zijl | 4-6,6-7 |
| UTR Pro Hilversum | 2023/06/11 07:30 | Twan Van Zijl v Jip Van Assendelft | 4-6,4-5 |
| UTR Pro Hilversum | 2023/06/10 09:00 | 벤트레, 알레산드로-다미아노 v Twan Van Zijl | 0-6,3-6 |
| UTR Pro Hilversum | 2023/06/09 06:00 | Twan Van Zijl v Karim Al-Amin | 6-1,3-2 |
| UTR Pro Hilversum | 2023/06/07 11:31 | Twan Van Zijl v Sander Jong | 3-6,0-6 |
| UTR Pro Hilversum | 2023/06/06 06:00 | Twan Van Zijl v Arthur Nagel | 2-6,6-7 |
| UTR Pro Hilversum | 2023/06/05 09:00 | Ole Bredschneijder v Twan Van Zijl | 6-4,2-6,5-7 |
| UTR Pro Hilversum | 2023/05/06 09:00 | Ole Bredschneijder v Twan Van Zijl | 4-6,3-6 |