Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
| Challenger Cassis | 2023/09/04 09:55 | Karl Friberg v Ramkumar Ramanathan | 3-6,0-6 |
| Challenger Cassis | 2023/09/03 10:45 | Karl Friberg v Hugo Cardinaud | 6-3,6-1 |
| Challenger Como | 2023/08/28 09:45 | Santiago Rodriguez Taverna v Karl Friberg | 7-5,7-6 |
| ITF M25 Ystad | 2023/08/19 10:00 | Karl Friberg v Marvin Moeller | 3-6,6-3,2-6 |
| ITF M25 Ystad | 2023/08/18 12:35 | Max Dahlin v Karl Friberg | 7-6,2-6,5-7 |
| ITF M25 Ystad | 2023/08/17 08:45 | Lewie Lane v Karl Friberg | 0-6,2-6 |
| ITF M25 Ystad | 2023/08/16 10:20 | Noah Schlagenhauf v Karl Friberg | 2-6,0-6 |
| ITF M15 Hyvinkaa | 2023/08/05 10:15 | Karl Friberg v Amaury Raynel | 6-0,4-6,4-6 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2023/09/04 12:00 | Mikolaj Lis v William Rejchtman Vinciguerra | 4-6,6-3,10-5 |
| ITF M15 Malmo | 2022/08/15 10:25 | William Rejchtman Vinciguerra v Felipe Mikkelsen | 6-4,5-7,5-10 |