Stadium: BikeLeasing Court Round: 28 Ground: Clay
| ITF M15 - Uslar | 2023/07/21 10:00 | Jeremy Schifris v Christoph Negritu | 1-6,2-6 |
| ITF M15 - Uslar | 2023/07/20 12:25 | Esteban Bruna v Christoph Negritu | 2-6,0-6 |
| ITF M15 - Uslar | 2023/07/19 16:50 | Rostislav Galfinger v Christoph Negritu | 2-6,0-6 |
| ITF M15 - Monastir | 2023/06/08 08:30 | Christoph Negritu v Thomas Braithwaite | 2-6,6-4,4-6 |
| ITF M15 - Monastir | 2023/06/07 13:15 | Christoph Negritu v Bruno Fernandez | 6-2,6-0 |
| ITF M15 - Warmbad-Villach | 2023/05/22 12:00 | Christoph Negritu v Tommaso Compagnucci | 6-7,5-7 |
| ITF M15 - Meerbusch | 2023/04/26 11:40 | Christoph Negritu v Marat Sharipov | 6-2,4-6,4-6 |
| ITF M25 - Angers | 2023/04/19 08:00 | Christoph Negritu v Maxime Chazal | 7-6,0-6,5-7 |
| ITF M15 - Uslar | 2023/07/21 11:25 | Sebastian Prechtel v John Sperle | 6-3,6-1 |
| ITF M15 - Uslar | 2023/07/20 10:25 | Sebastian Prechtel v Jakub Nicod | 6-2,6-2 |
| ITF M15 - Uslar | 2023/07/18 10:00 | Sebastian Prechtel v Svyatoslav Gulin | 6-1,6-3 |
| ITF M15 - Store | 2023/06/21 16:35 | Sebastian Dominko v Sebastian Prechtel | 7-5,4-6,7-5 |
| ITF M15 - Litija | 2023/06/16 09:00 | Sebastian Prechtel v Luca Wiedenmann | 5-7,6-2,4-6 |
| ITF M15 - Litija | 2023/06/15 11:50 | Sebastian Prechtel v Josip Simundza | 7-5,6-1 |
| ITF M15 - Litija | 2023/06/14 07:30 | Sebastian Prechtel v Tim Heger | 6-3,6-4 |
| ITF M25 - Kursumlijska Banja | 2023/06/10 08:00 | Alexander Zgirovsky v Sebastian Prechtel | 7-5,7-6 |