Stadium: Court 3 Opatija Round: 26 Ground: Clay
| ITF M15 Opatija | 2021/03/24 09:00 | Roko Horvat v Martin Damm | 1-6,1-6 |
| ITF M15 Rovinj | 2021/03/21 09:50 | Corentin Denolly v Martin Damm | 3-6,7-5,6-0 |
| ITF M15 Rovinj | 2021/03/20 11:40 | Giovanni Fonio v Martin Damm | 6-4,3-6,6-7 |
| ITF M15 Rovinj | 2021/03/19 12:05 | David Pichler v Martin Damm | 1-6,2-6 |
| ITF M15 Rovinj | 2021/03/18 10:10 | Martin Damm v Alexandar Lazarov | 6-1,5-7,6-4 |
| 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 M15 Opatija | 2021/03/24 12:45 | Matic Spec v Pavel Nejedly | 6-1,5-7,3-6 |
| ITF M15 Rovinj | 2021/03/19 09:25 | Corentin Denolly v Pavel Nejedly | 3-6,6-4,6-3 |
| ITF M15 Rovinj | 2021/03/18 09:00 | Pavel Nejedly v Antoine Cornut-Chauvinc | 7-6,6-3 |
| ITF M15 Rovinj | 2021/03/16 13:00 | Dino Prizmic v Pavel Nejedly | 4-6,4-6 |
| ITF M15 Porec | 2021/03/12 09:00 | Filip Misolic v Pavel Nejedly | 6-4,6-4 |
| ITF M15 Porec | 2021/03/11 09:00 | Clement Tabur v Pavel Nejedly | 7-5,3-6,5-7 |
| ITF M15 Porec | 2021/03/10 10:20 | Admir Kalender v Pavel Nejedly | 2-6,1-6 |
| Challenger Gran Canaria - selejtező | 2021/02/28 16:35 | Alex M Pujolras v Pavel Nejedly | 6-3,1-6,6-3 |