Stadium: Court 1 Round: 19 Ground: Hardcourt outdoor
| ITF M15 Kalmar | 2023/05/18 10:25 | Karl Friberg v Alexander Blockx | 4-6,4-6 |
| ITF M15 Kalmar | 2023/05/17 09:40 | Karl Friberg v Jack Karlsson Winstrand | 6-3,6-0 |
| ITF M25 Varnamo | 2023/05/10 11:00 | Karl Friberg v Andrea Gola | 4-6,3-6 |
| ITF M25 Nottingham | 2023/05/02 09:00 | Alfredo Perez v Karl Friberg | 6-3,6-2 |
| Challenger Ostrava | 2023/04/24 09:50 | Guido Andreozzi v Karl Friberg | 6-3,6-3 |
| Challenger Ostrava | 2023/04/23 12:50 | Robert Galloway v Karl Friberg | 6-7,4-6 |
| ITF M25 Nottingham | 2023/04/21 09:00 | Daniel Little v Karl Friberg | 6-3,6-2 |
| ITF M25 Nottingham | 2023/04/20 10:55 | Neil Oberleitner v Karl Friberg | 6-7,6-2,5-7 |
| Challenger Skopje | 2023/05/21 10:40 | Sumit Nagal v Ramkumar Ramanathan | 6-3,6-3 |
| ITF M25 Jakarta | 2023/04/25 06:05 | Ramkumar Ramanathan v Ray Ho | 0-6,2-6 |
| ITF M25 Jakarta | 2023/04/12 02:40 | Ramkumar Ramanathan v Yunseok Jang | 1-6,4-6 |
| ITF M15 Chennai | 2023/04/08 03:30 | Sidharth Rawat v Ramkumar Ramanathan | 6-3,6-1 |
| ITF M15 Chennai | 2023/04/07 03:30 | Niki Kaliyanda Poonacha v Ramkumar Ramanathan | 3-6,4-6 |
| ITF M15 Chennai | 2023/04/06 06:25 | Grigoriy Lomakin v Ramkumar Ramanathan | 0-6,2-6 |
| ITF M15 Chennai | 2023/04/05 09:35 | Kabir Hans v Ramkumar Ramanathan | 4-6,1-6 |
| Challenger Biel | 2023/03/19 17:30 | Ramkumar Ramanathan v Karol Drzewiecki | 4-6,7-5,2-6 |