Stadium: Court 1 Round: 25 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 | 2024/01/23 12:00 | Hayato Matsuoka v Ben Weintraub | 6-3,3-6,10-6 |
| ITF M15 Manacor | 2024/01/22 09:30 | Hayato Matsuoka v Lamin L Da Silva | 6-4,6-2 |
| ITF M15 Yanagawa | 2023/12/29 01:00 | Hayato Matsuoka v Sanhui Shin | 1-6,2-6 |
| ITF M15 Yanagawa | 2023/12/28 02:35 | Hanyi Liu v Hayato Matsuoka | 1-6,3-6 |
| ITF M15 Yanagawa | 2023/12/26 01:30 | Hayato Matsuoka v Daiki Yoshimura | 6-3,6-1 |
| ITF M15 Yanagawa | 2023/12/20 02:30 | Seita Watanabe v Hayato Matsuoka | 7-5,6-2 |
| ITF M15 Kuala Lumpur | 2023/11/29 03:00 | Andrea Bacaloni v Hayato Matsuoka | 6-4,7-5 |
| ITF M15 Ipoh Perak | 2023/11/24 02:00 | Takuya Kumasaka v Hayato Matsuoka | 7-6,6-0 |