Stadium: Court 1 Round: 28 Ground: Clay
| ITF - M25 Risskov/Aarhus | 2023/06/16 09:55 | Max Houkes v Guy Den Ouden | 6-3,3-6,4-6 |
| ITF - M25 Risskov/Aarhus | 2023/06/15 08:30 | Philipp Pavlenko v Guy Den Ouden | 2-6,1-6 |
| ITF - M25 Risskov/Aarhus | 2023/06/14 08:25 | Carl Emil Overbeck v Guy Den Ouden | 1-6,2-6 |
| ITF - M25 Bodrum | 2023/05/25 07:00 | Valentin Vacherot v Guy Den Ouden | 6-3,6-3 |
| ITF - M25 Bodrum | 2023/05/24 07:00 | Guy Den Ouden v Egor Agafonov | 6-1,7-6 |
| ITF - M25 Bodrum | 2023/05/23 11:15 | Federico Campana v Guy Den Ouden | 3-6,3-6 |
| ITF - M25 Kursumlijska Banja | 2023/05/17 09:00 | Rrezart Cungu v Guy Den Ouden | 6-2,7-6 |
| ITF - M15 Alaminos-Larnaca | 2023/05/04 10:00 | Guy Den Ouden v Filip Cristian Jianu | 6-7,1-6 |
| ITF - M25 Risskov/Aarhus | 2023/06/16 13:40 | Lewie Lane v Leo Borg | 2-6,6-7 |
| ITF - M25 Risskov/Aarhus | 2023/06/15 08:30 | Anton Matusevich v Leo Borg | 4-6,6-7 |
| ITF - M25 Risskov/Aarhus | 2023/06/13 11:35 | Bekkhan Atlangeriev v Leo Borg | 2-6,3-6 |
| ITF - M15 Bucuresti | 2023/05/23 11:00 | Vlad Andrei Dancu v Leo Borg | 6-3,6-2 |
| ITF - M15 Kalmar | 2023/05/18 08:15 | Niels Visker v Leo Borg | 7-6,6-3 |
| ITF - M15 Kalmar | 2023/05/17 11:05 | Michal Mikula v Leo Borg | 6-4,3-6,4-6 |
| ITF - M25 Varnamo | 2023/05/11 08:15 | Leo Borg v Alexander Blockx | 5-7,2-6 |
| ITF - M25 Varnamo | 2023/05/10 08:10 | Leo Borg v Sebastian Eriksson | 6-2,7-5 |