Stadium: Court 2 Round: 26 Ground: Clay
| ITF M15 Antalya | 2021/04/28 07:00 | Lucas Hellfritsch v Dan Alexandru Tomescu | 2-6,1-6 |
| 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 Arsenije Zlatanovic | 7-6,6-2 |
| ITF M15 Antalya | 2021/04/28 07:00 | Riccardo Balzerani v Peter Heller | 1-6,4-6 |
| ITF M25 Meerbusch | 2021/04/16 10:45 | Elmar Ejupovic v Peter Heller | 6-3,7-6 |
| ITF M25 Meerbusch | 2021/04/15 10:00 | Tak Khunn Wang v Peter Heller | 1-6,3-6 |
| ITF M25 Meerbusch | 2021/04/13 16:40 | Peter Heller v Viktor Durasovic | 6-3,6-4 |
| ITF M15 Antalya | 2021/03/20 07:30 | Peter Heller v Matheus Pucinelli De Almeida | 4-6,6-7 |
| ITF M15 Antalya | 2021/03/19 07:30 | Nicholas David Ionel v Peter Heller | 3-6,0-6 |
| ITF M15 Antalya | 2021/03/18 07:00 | Peter Fajta v Peter Heller | 3-6,0-6 |
| ITF M15 Antalya | 2021/03/17 07:30 | Hamad Medjedovic v Peter Heller | 3-6,6-7 |