Stadion: Court 2 Round: 44 Ground: Clay
| ITF - M25 - Pitesti | 2023/07/30 06:00 | Stefan A Andreescu v Hans Albert Schubert | 6-2,6-2 |
| ITF - M15 - Curtea de Arges | 2023/08/07 08:30 | Ignacio Novo v Hans Albert Schubert | 3-6,3-6 |
| ITF - M25 - Pitesti | 2023/07/30 06:00 | Stefan A Andreescu v Hans Albert Schubert | 6-2,6-2 |
| ITF - M25 - Bacau | 2023/07/24 07:00 | Eric David Verdes v Hans Albert Schubert | 6-1,6-2 |
| ITF - M25 - Bacau | 2023/07/23 06:30 | Hans Albert Schubert v Paul Valsecchi | 4-6,7-5,10-4 |
| ITF - M25 - Esch/Alzette | 2023/07/17 07:00 | Charlelie Cosnet v Hans Albert Schubert | 6-1,6-2 |
| ITF - M25 - Esch/Alzette - Qualifikation | 2023/07/16 09:55 | Ashot Mkrtchyan v Hans Albert Schubert | 1-6,1-6 |
| ITF - M15 - Kamen | 2023/06/26 08:00 | Benedikt Henning v Hans Albert Schubert | 6-4,4-6,10-7 |
| ITF - M25 - Poprad | 2023/06/18 11:00 | Hans Albert Schubert v Stepan Mruzek | 3-6,5-7 |
| ITF - M15 - Curtea de Arges | 2023/08/07 08:30 | Pierre Antoine Tailleu v Stefan A Andreescu | 6-7,7-5,6-10 |
| ITF - M25 - Pitesti | 2023/08/02 07:45 | Stefan A Andreescu v Ioan Alexandru Chirita | 1-6,5-7 |
| ITF - M25 - Pitesti | 2023/07/31 07:00 | Stefan A Andreescu v Vlad Cristian Breazu | 6-1,6-1 |
| ITF - M25 - Pitesti | 2023/07/30 06:00 | Stefan A Andreescu v Hans Albert Schubert | 6-2,6-2 |
| ITF - M25 - Bacau | 2023/07/26 14:40 | Ioan Alexandru Chirita v Stefan A Andreescu | 6-4,2-6,6-1 |
| ITF - M25 - Bacau | 2023/07/25 07:00 | Stefan A Andreescu v Louis Allen | 6-4,6-2 |
| ITF - M25 - Bacau | 2023/07/24 09:00 | Stefan A Andreescu v Henrique S Gomes | 6-2,6-2 |
| ITF - M25 - Bacau | 2023/07/23 08:30 | Stefan A Andreescu v Alin Mihai Fatu | 6-1,6-1 |