Stadium: BikeLeasing Court Round: 25 Ground: Clay
| Challenger Braunschweig | 2023/07/09 12:40 | Daniel Masur v Jannik Opitz | 7-5,6-4 |
| ITF M25 Nussloch | 2023/01/27 13:55 | Hazem Naw v Jannik Opitz | 6-4,1-6,7-6 |
| ITF M25 Nussloch | 2023/01/26 12:15 | Jannik Opitz v Dominik Recek | 6-7,7-6,7-6 |
| ITF M25 Nussloch | 2023/01/25 15:05 | Tim Sandkaulen v Jannik Opitz | 6-7,1-6 |
| ITF M25 Nussloch | 2023/01/23 15:50 | Lukas Pokorny v Jannik Opitz | 2-6,6-7 |
| ITF M25 Nussloch | 2023/01/23 09:00 | Niklas Koch v Jannik Opitz | 3-6,4-6 |
| ITF M25 Veigy-Foncenex | 2023/01/10 10:15 | Jannik Opitz v Matthias Bachinger | 6-7,5-7 |
| ITF M15 Monastir | 2022/11/10 08:30 | Jannik Opitz v Adria Soriano Barrera | 1-6,4-6 |
| ITF M15 Uslar | 2023/07/17 08:00 | Esteban Bruna v Torben Steinorth | 6-4,6-3 |
| ITF M15 Uslar | 2023/07/17 08:00 | Alessio Vasquez Gehrke v Esteban Bruna | 6-4,6-7,8-10 |
| ITF M25 Esch/Alzette | 2023/07/09 08:00 | Esteban Bruna v Samuel Brosset | 4-6,0-6 |
| ITF M25 Brasov | 2023/07/05 09:00 | Esteban Bruna v Calin Manda | 4-6,5-7 |
| ITF M25 Brasov | 2023/07/03 06:30 | Peter Goldsteiner v Esteban Bruna | 3-6,6-2,9-11 |
| ITF M25 Brasov | 2023/07/02 06:30 | Esteban Bruna v Vladimir Filip | 2-6,7-6,10-8 |
| ITF M15 Casablanca | 2023/06/27 11:20 | Esteban Bruna v Petro Orlando Fellin | 4-6,3-6 |
| ITF M15 Casablanca | 2023/06/26 13:30 | Sven Corbinais v Esteban Bruna | 5-7,2-6 |