Stadium: Court 1 Round: 25 Ground: Clay
| Davis Cup | 2024/02/02 16:00 | Karl Friberg v Thiago Monteiro | 3-6,6-7 |
| ITF M15 Manacor | 2024/01/27 10:00 | Karl Friberg v Ryan Nijboer | 4-6,2-6 |
| ITF M15 Manacor | 2024/01/26 10:00 | Karl Friberg v Michiel de Krom | 7-6,6-3 |
| ITF M15 Manacor | 2024/01/25 14:30 | Karl Friberg v Kristjan Tamm | 6-1,1-6,6-3 |
| ITF M15 Manacor | 2024/01/24 09:30 | Karl Friberg v Hayato Matsuoka | 7-6,5-7,6-2 |
| Challenger - Oeiras - Kwal. | 2024/01/07 17:15 | Karl Friberg v Samuel Vincent Ruggeri | 3-6,2-6 |
| Challenger - Maia | 2023/11/29 12:35 | Karl Friberg v Andrea Vavassori | 2-6,3-6 |
| Challenger - Maia | 2023/11/28 12:15 | Sebastian Fanselow v Karl Friberg | 6-3,3-6,4-6 |
| ITF - M15 Kish Island | 2024/03/06 06:25 | Dan Alexandru Tomescu v Giovanni Calvano | 6-1,6-1 |
| ITF - M15 Kish Island | 2024/02/29 06:00 | Giovanni Calvano v Denis Klok | 1-6,0-6 |
| ITF - M15 Kish Island | 2024/02/28 06:30 | Fernando Cavallo v Giovanni Calvano | 7-6,5-7,2-6 |
| ITF - M15 Kish Island | 2024/01/09 09:00 | Giovanni Calvano v Gianluca Cadenasso | 4-6,3-6 |
| ITF - M15 Kish Island | 2024/01/05 07:00 | Lorenzo Bocchi v Giovanni Calvano | 6-3,6-1 |
| ITF - M15 Kish Island | 2024/01/03 08:20 | Giovanni Calvano v Alessandro Cortegiani | 6-7,6-3,6-4 |
| ITF - M15 Antalya | 2023/12/20 07:00 | Giovanni Calvano v Corentin Denolly | 2-6,2-6 |
| ITF - M15 Catania | 2023/11/27 09:00 | Giovanni Calvano v Giacomo Crisostomo | 6-2,6-0 |