Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Wroclaw | 2023/06/29 08:55 | Michael Agwi v Jasza Szajrych | 6-1,6-3 |
| ITF M15 Wroclaw | 2023/06/28 08:00 | Jasza Szajrych v Marc Antoine Gaillard | 7-6,6-3 |
| ITF M15 Wroclaw | 2023/06/26 12:00 | Jasza Szajrych v Adam Heinonen | 2-6,6-3,10-7 |
| ITF M25 Poprad | 2023/06/21 08:00 | Jasza Szajrych v Andrew Paulson | 4-6,2-6 |
| ITF - M15 Kursumlijska Banja | 2023/05/30 08:40 | Jasza Szajrych v Lorenzo Carboni | 0-6,2-6 |
| ITF - M15 Kursumlijska Banja | 2023/05/29 10:40 | Jasza Szajrych v Benjamin Torres | 6-1,6-4 |
| ITF - M15 Kursumlijska Banja | 2023/05/23 07:00 | Jasza Szajrych v Niccolo Baroni | 2-6,6-7 |
| ITF - M15 Kursumlijska Banja | 2023/05/22 06:50 | Jasza Szajrych v Aleksandar Ljubojevic | 6-3,6-2 |
| 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 Korsgaard, Henrik Heise | 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 The Hague | 2023/07/05 17:10 | Collin Altamirano v Oskar Jansson | 6-2,6-4 |
| ITF M25 The Hague | 2023/07/03 13:55 | Oskar Jansson v David Quayle | 6-1,6-2 |
| ITF M25 The Hague | 2023/07/02 10:30 | Oskar Jansson v Miko Wassermann | 7-6,6-1 |