Stadion: Court 6 N Round: 25 Ground: Hardcourt outdoor
| ITF - M15 - Edwardsville | 2021/07/21 22:10 | Martin Damm v Cannon Kingsley | 3-6,4-6 |
| ITF - M25 - Klosters | 2021/06/22 08:30 | Martin Damm v Henry V-D Schulenburg | 4-6,4-6 |
| ITF - M15 - Skopje | 2021/06/11 10:30 | Martin Damm v Simone Roncalli | 3-6,0-6 |
| ITF - M15 - Skopje | 2021/06/10 10:30 | Martin Damm v Stefan Micov | 6-4,3-6,6-2 |
| ITF - M15 - Skopje | 2021/06/09 10:50 | Marko Tepavac v Martin Damm | 5-7,3-6 |
| ITF - M15 - Skopje | 2021/06/03 08:00 | Alexander Weis v Martin Damm | 6-3,6-2 |
| ITF - M15 - Skopje | 2021/06/02 11:45 | Tomislav Jotovski v Martin Damm | 6-7,4-6 |
| ITF - M25 - Most | 2021/05/26 07:55 | Alex Rybakov v Martin Damm | 6-4,6-2 |
| ITF - M15 - Antalya | 2021/05/02 06:00 | Jumpei Yamasaki v Federico Bertuccioli | 6-2,4-6,10-6 |
| ITF - M15 - Antalya | 2021/04/27 10:30 | Mick Veldheer v Jumpei Yamasaki | 4-6,6-1,6-0 |
| ITF - M15 - Antalya | 2021/04/20 07:00 | Jumpei Yamasaki v Bogdan Bobrov | 3-6,5-7 |
| ITF - M15 - Antalya | 2021/04/13 07:00 | Jumpei Yamasaki v Karl Friberg | 1-6,2-6 |
| ITF - M15 - Sharm El Sheikh | 2021/03/03 07:30 | Martins Podzus v Jumpei Yamasaki | 7-5,6-3 |
| ITF - M15 - Sharm El Sheikh | 2021/02/24 12:25 | Jumpei Yamasaki v Shintaro Imai | 6-7,6-7 |
| ITF - M15 - Sharm El Sheikh | 2021/02/17 12:45 | Lucas Catarina v Jumpei Yamasaki | 6-2,6-4 |
| ITF - M15 - Sharm El Sheikh | 2021/02/08 09:30 | Jumpei Yamasaki v Chien Hsun Lo | 3-6,4-6 |