Stadium: Court 2 Round: 26 Ground: Clay
| ITF - M15 Antalya | 2023/04/18 11:10 | Galoppini, Davide v Dan Alexandru Tomescu | 6-2,3-6,1-6 |
| ITF - M15 Antalya | 2023/04/12 11:35 | Michel Hopp v Dan Alexandru Tomescu | 4-6,7-5,6-1 |
| ITF - M15 - Kish Island | 2023/03/14 10:00 | Samir Hamza Reguig v Dan Alexandru Tomescu | 6-4,6-2 |
| ITF - M15 - Kish Island | 2023/03/12 06:30 | Dan Alexandru Tomescu v Hazem Naw | 7-6,6-4 |
| ITF - M15 - Kish Island | 2023/03/11 06:30 | Gergely Madarasz v Dan Alexandru Tomescu | 4-6,2-6 |
| ITF - M15 - Kish Island | 2023/03/10 06:30 | Matyas Fuele v Dan Alexandru Tomescu | 4-6,4-6 |
| ITF - M15 - Kish Island | 2023/03/08 07:00 | Samir Hamza Reguig v Dan Alexandru Tomescu | 5-7,2-6 |
| ITF - M15 - Kish Island | 2023/03/07 09:00 | Denis Klok v Dan Alexandru Tomescu | 6-7,3-6 |
| ITF - M15 Antalya | 2023/04/18 09:50 | Haerteis, Johannes v Arthur Reymond | 6-4,6-2 |
| ITF - M15 Antalya | 2023/04/12 07:00 | Capecchi, Daniele v Haerteis, Johannes | 4-6,6-3,6-2 |
| ITF - M25 Trente | 2023/03/30 15:00 | Giovanni Oradini v Haerteis, Johannes | 6-4,6-0 |
| ITF - M25 Trente | 2023/03/29 07:30 | Bulitski, Aliaksandr v Haerteis, Johannes | 2-6,2-6 |
| Challenger Biel | 2023/03/19 15:05 | Forti, Francesco v Haerteis, Johannes | 4-6,6-4,7-5 |
| ITF - M25 Trimbach | 2023/03/15 11:30 | Haerteis, Johannes v Marcello Serafini | 4-6,7-5,4-6 |
| ITF - M15 Oberhaching | 2023/02/15 12:25 | Veldheer, Mick v Haerteis, Johannes | 3-6,6-4,6-4 |
| ITF M25 Bath | 2023/02/07 12:10 | George Loffhagen v Haerteis, Johannes | 6-3,6-3 |