Stadium: Villas Rubin 4 Round: 26 Ground: Clay
| ITF M15 Rovinj | 2021/03/17 09:00 | Martin Damm v Filip Misolic | 6-2,6-3 |
| ITF M15 Porec | 2021/03/11 12:00 | Martin Damm v Filip Misolic | 6-3,5-7,1-6 |
| ITF M25 Naples | 2021/02/26 16:00 | Martin Damm v Gonzalo Villanueva | 7-5,6-7,6-7 |
| ITF M25 Naples | 2021/02/25 17:25 | Martin Damm v Evan Zhu | 6-1,6-1 |
| ITF M25 Naples | 2021/02/24 19:30 | JC Aragone v Martin Damm | 6-4,2-6,3-6 |
| ITF M25 Naples | 2021/02/17 18:30 | Martin Damm v Michael Redlicki | 4-6,1-6 |
| ITF M15 Santo Domingo | 2020/12/03 13:30 | Juan Carlos Aguilar v Martin Damm | 6-3,6-4 |
| ITF M15 Santo Domingo | 2020/12/01 14:30 | Martin Damm v Shintaro Mochizuki | 6-3,6-7,6-3 |
| ITF M15 Rovinj | 2021/03/17 10:50 | Alexandar Lazarov v Uladzimir Ignatik | 6-4,4-6,7-5 |
| ITF M15 Porec | 2021/03/12 09:00 | Damien Wenger v Alexandar Lazarov | 7-6,6-0 |
| ITF M15 Porec | 2021/03/11 09:00 | Gergely Madarasz v Alexandar Lazarov | 1-6,3-6 |
| ITF M15 Porec | 2021/03/10 09:00 | Alexandar Lazarov v Vaclav Safranek | 7-5,6-4 |
| ITF M15 Antalya | 2021/02/01 14:50 | Alexandar Lazarov v Raul Brancaccio | 6-7,5-7 |
| ITF M15 Antalya | 2021/01/31 14:35 | Arthur Fils v Alexandar Lazarov | 1-6,1-6 |
| ITF M15 Antalya | 2021/01/31 08:00 | Giovanni Fonio v Alexandar Lazarov | 6-7,6-4,7-10 |
| ITF M15 Antalya | 2021/01/29 07:00 | Alexandar Lazarov v Davide Galoppini | 6-3,6-3 |