Stadium: Court 7 Round: 62 Ground: Clay
| ITF M25 Kramsach | 2023/07/23 07:00 | Julian Peter v Nicolas Moser | 0-6,1-6 |
| ITF M15 Monastir | 2023/06/18 08:30 | Martin Breysach v Julian Peter | 6-3,6-1 |
| ITF M15 Monastir | 2023/06/11 10:00 | Bruno Fernandez v Julian Peter | 6-2,6-1 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 10:30 | Matthew William Donald v Julian Peter | 6-1,6-0 |
| ITF M25 Prague | 2023/05/15 11:00 | Filip Duda v Julian Peter | 6-1,6-1 |
| ITF M25 Prague | 2023/05/14 08:30 | Julian Peter v Liam Schiemann | 4-6,6-4,10-6 |
| ITF M15 Meerbusch | 2023/04/23 08:00 | Mihailo Kecojevic v Julian Peter | 6-3,6-2 |
| ITF M15 Monastir | 2023/04/09 08:00 | Moerani Bouzige v Julian Peter | 6-1,6-2 |
| ITF M15 Novi Sad | 2023/07/31 07:00 | Daniil Ostapenkov v Leon Formella | 6-1,6-2 |
| ITF M25 Bacau | 2023/07/23 08:30 | Leon Formella v Louis Allen | 2-6,4-6 |
| ITF M15 Uslar | 2023/07/17 09:00 | Leon Formella v Jeremy Schifris | 1-6,1-6 |
| ITF M25 Grasse | 2023/06/12 07:30 | Pablo Trochu v Leon Formella | 6-1,6-0 |
| ITF M25 Grasse | 2023/06/11 10:25 | Leon Formella v Laurent Julia Calac | 6-3,7-5 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 09:00 | Leon Formella v Jiri Jenicek | 2-6,3-6 |
| ITF M25 Most | 2023/05/22 08:00 | Michael Agwi v Leon Formella | 6-2,6-0 |
| ITF M25 Most | 2023/05/21 08:00 | Leon Formella v Artem Mazur | 6-3,6-2 |