Stadium: Court 20 Round: 25 Ground: Clay
| ITF - M15 Antalya | 2021/04/18 07:00 | Maggioli, Emiliano v Hellfritsch, Lucas | 7-6,6-1 |
| ITF - M15 Antalya | 2021/04/11 07:00 | Gabriele Bosio v Hellfritsch, Lucas | 7-6,2-6,12-10 |
| ITF - M15 Antalya | 2021/04/06 07:00 | Kim, Cheong-Eui v Hellfritsch, Lucas | 6-7,6-2,10-7 |
| ITF - M15 Antalya | 2021/04/05 07:00 | Vito Dell'Elba v Hellfritsch, Lucas | 3-6,2-6 |
| ITF - M15 Antalya | 2021/04/04 10:00 | Janos Fekete v Hellfritsch, Lucas | 5-7,5-7 |
| ITF - M15 Sharm El Sheikh | 2021/02/14 16:00 | Lui Maxted v Hellfritsch, Lucas | 7-5,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/07 06:30 | Hellfritsch, Lucas v Mate Valkusz | 3-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2021/01/31 07:00 | Hellfritsch, Lucas v Constantinos Koshis | 2-6,5-7 |
| ITF - M15 Antalya | 2021/04/27 07:00 | Fabrizio Andaloro v Dan Alexandru Tomescu | 2-6,1-6 |
| ITF - M15 Antalya | 2021/04/26 07:00 | Taiyo Yamanaka v Dan Alexandru Tomescu | 4-6,2-6 |
| ITF - M15 Antalya | 2021/04/25 07:00 | Daniel Siniakov v Dan Alexandru Tomescu | 1-6,1-6 |
| ITF - M15 Antalya | 2021/04/20 12:00 | Dan Alexandru Tomescu v Oleksandr Ovcharenko | 6-3,4-6,6-10 |
| ITF - M15 Antalya | 2021/04/19 09:00 | Dan Alexandru Tomescu v Francesco Maestrelli | 7-6,6-7,10-7 |
| ITF - M15 Antalya | 2021/03/16 09:30 | Dan Alexandru Tomescu v Luca Tomasetto | 7-6,3-6,8-10 |
| ITF - M15 Antalya | 2021/03/15 08:00 | Dan Alexandru Tomescu v Zlatanovic, Arsenije | 7-6,6-2 |
| ITF - M15 Antalya | 2021/03/14 07:00 | Dan Alexandru Tomescu v Rafael Giotis | 6-0,6-2 |