Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Ystad | 2023/08/15 08:35 | Oskar Jansson v Lawrence Sciglitano | 6-1,7-5 |
| ITF M25 Ystad | 2023/08/14 10:55 | Oskar Jansson v Jan Simonsson | 6-4,6-4 |
| ITF M15 Hyvinkaa | 2023/08/01 07:00 | Jasza Szajrych v Oskar Jansson | 6-2,6-3 |
| ITF M15 Hyvinkaa | 2023/07/31 09:30 | Otso Martikainen v Oskar Jansson | 4-6,4-6 |
| ITF M15 Vejle | 2023/07/26 07:00 | Oskar Jansson v Luigi Sorrentino | 3-6,1-6 |
| ITF M15 Vejle | 2023/07/25 07:00 | Oskar Jansson v Henrik Heise Korsgaard | 1-6,6-4,10-6 |
| ITF M15 Vejle | 2023/07/24 09:30 | Oskar Jansson v Emil Chr E Mikkelsen | 6-2,6-3 |
| ITF M25 Kassel | 2023/07/10 08:00 | Vincent Marysko v Oskar Jansson | 4-6,6-4,10-8 |
| ITF M25 Lodz | 2023/08/09 09:45 | Jakub Nicod v Eero Vasa | 4-6,6-4,6-4 |
| ITF M15 Hyvinkaa | 2023/08/03 11:40 | Eero Vasa v Andrea Gola | 2-6,6-0,6-7 |
| ITF M15 Vejle | 2023/07/26 09:25 | Eero Vasa v Christian Sigsgaard | 6-7,2-6 |
| ITF M15 Vejle | 2023/07/24 12:00 | Eero Vasa v Jonas Hembo Mathiasen | 6-2,6-0 |
| ITF M25 Malibu | 2023/01/06 18:00 | Eero Vasa v Alex Michelsen | 2-6,1-6 |
| ITF M25 Malibu | 2023/01/05 22:00 | William Chase Thompson v Eero Vasa | 4-6,5-7 |
| ITF M25 Malibu | 2023/01/03 22:00 | Eero Vasa v Ryan Seggerman | 6-3,3-6,10-7 |
| ITF M25 Malibu | 2023/01/02 20:00 | Eero Vasa v Trey Hilderbrand | 6-4,4-6,14-12 |