Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF M15 - Hyvinkaa | 2023/08/01 07:00 | Johannes Seeman v Filip Apltauer | 4-6,5-7 |
| ITF M15 - Hyvinkaa | 2023/07/31 09:30 | Ivan Denisov v Johannes Seeman | 2-6,2-6 |
| ITF M25 - Kramsach | 2023/07/23 08:00 | Johannes Seeman v Batiste Guerra | 4-6,7-6,6-10 |
| ITF M15 - Monastir | 2023/06/25 10:30 | Loann Massard v Johannes Seeman | 6-3,6-7,10-6 |
| ITF M15 - Monastir | 2023/06/19 08:30 | Patrick Kotan v Johannes Seeman | 7-5,6-2 |
| ITF M15 - Monastir | 2023/06/18 12:00 | Johannes Seeman v Bruno Fernandez | 6-2,6-3 |
| ITF M15 - Vaasa | 2023/06/06 10:00 | Johannes Seeman v Oskar Antinheimo | 6-3,3-6,8-10 |
| ITF M15 - Vaasa | 2023/06/05 12:30 | Noel Larwig v Johannes Seeman | 4-6,4-6 |
| ITF M15 - Danderyd | 2023/09/20 12:45 | Adrian Oetzbach v Henrik Bladelius | 6-3,6-2 |
| ITF M15 - Koszalin | 2023/09/06 12:00 | Fryderyk Lechno-Wasiutynski v Henrik Bladelius | 6-3,6-3 |
| ITF M15 - Koszalin | 2023/09/05 09:20 | Martin Benes v Henrik Bladelius | 4-6,4-6 |
| ITF M15 - Koszalin | 2023/09/04 12:00 | Eskander Guryev v Henrik Bladelius | 2-6,4-6 |
| ITF M15 - Szczawno | 2023/08/29 09:30 | Jack Karlsson Winstrand v Henrik Bladelius | 6-4,5-7,10-4 |
| ITF M15 - Szczawno | 2023/08/28 10:00 | Mikolaj Borkowski v Henrik Bladelius | 5-7,3-6 |
| ITF M25 - Ystad | 2023/08/14 08:40 | Rafael Ymer v Henrik Bladelius | 7-6,6-2 |
| ITF M15 - Hyvinkaa | 2023/07/31 09:30 | Adam Heinonen v Henrik Bladelius | 6-2,6-7,10-2 |