Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| Challenger Oeiras Qual | 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 |
| Challenger Maia | 2023/11/27 11:00 | Karl Friberg v Aleksandr Braynin | 5-7,6-1,6-3 |
| Challenger Maia | 2023/11/26 13:10 | Karl Friberg v Tiago Pereira | 4-6,6-3,6-1 |
| Challenger Danderyd | 2023/11/15 17:30 | Denis Yevseyev v Karl Friberg | 6-2,6-3 |
| ITF M25 Trnava | 2023/11/12 10:00 | Karl Friberg v Lukas Pokorny | 6-4,6-4 |
| ITF M25 Trnava | 2023/11/11 09:00 | Karl Friberg v Remy Bertola | 7-5,6-4 |
| ITF M15 Manacor | 2024/01/17 11:30 | Matteo Morazzi v Michiel de Krom | 3-6,2-6 |
| ITF M15 Manacor | 2024/01/11 16:00 | Michiel de Krom v Jerome Kym | 3-6,6-7 |
| ITF M15 Manacor | 2024/01/09 13:30 | Alexandre Aubriot v Michiel de Krom | 0-6,1-6 |
| ITF M15 Monastir | 2024/01/02 08:30 | Artur Kukasian v Michiel de Krom | 6-4,7-6 |
| ITF M15 Madrid | 2023/12/06 09:00 | Jorge Martinez Martinez v Michiel de Krom | 6-2,6-7,6-3 |
| ITF M25 Madrid | 2023/12/05 09:30 | Michiel de Krom v Mateo Luis Alvarez Sarmiento | 6-2,6-4 |
| ITF M25 Madrid | 2023/12/04 12:00 | Michiel de Krom v Carlos Guerrero Alvarez | 7-5,6-3 |
| ITF M25 Madrid | 2023/12/03 14:00 | Michiel de Krom v Grigory Kuklin | 6-1,6-4 |