Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| Challenger Knoxville | 2021/11/07 16:20 | Alexis Galarneau v Martin Damm | 6-3,6-4 |
| Challenger Charlottesville | 2021/11/03 01:00 | Jeffrey John Wolf v Martin Damm | 7-5,6-4 |
| ITF M25 Toulouse | 2021/10/20 07:55 | Li Tu v Martin Damm | 6-4,6-4 |
| ITF M25 Rodez | 2021/10/16 12:00 | Aidan Mchugh v Martin Damm | 6-2,6-3 |
| ITF M25 Rodez | 2021/10/15 09:55 | Yannick Mertens v Martin Damm | 3-6,2-6 |
| ITF M25 Rodez | 2021/10/14 11:50 | Tristan Schoolkate v Martin Damm | 2-6,6-7 |
| ITF M25 Rodez | 2021/10/12 07:55 | Martin Damm v Harold Mayot | 7-6,3-6,6-3 |
| ITF M25 Nevers | 2021/10/07 16:50 | Alexey Vatutin v Martin Damm | 6-2,6-2 |
| ITF M25 Columbus | 2021/11/16 16:50 | Elio Jose Ribeiro Lago v Tad Maclean | 6-3,1-6,10-4 |
| UTR Pro Tennis Series Miami | 2021/11/06 22:05 | Maximiliano Estevez v Elio Jose Ribeiro Lago | 7-6,5-2 |
| UTR Pro Tennis Series Miami | 2021/11/04 19:30 | Elio Jose Ribeiro Lago v Matthew Foster-Estwick | 7-5,5-2 |
| UTR Pro Tennis Series Miami | 2021/11/03 20:00 | Elio Jose Ribeiro Lago v Suraj Prabodh | 6-2,6-4 |
| UTR Pro Tennis Series Miami | 2021/11/02 17:00 | Elio Jose Ribeiro Lago v Martim L Prata | 7-5,4-6,1-5 |
| UTR Pro Tennis Series Miami | 2021/11/01 19:30 | Azariah Rusher Azariah Rusher v Elio Jose Ribeiro Lago | 4-6,6-6 |
| ITF M15 Tallahassee | 2021/10/25 13:00 | Blu Baker v Elio Jose Ribeiro Lago | 7-6,6-4 |
| ITF M15 Perugia | 2021/07/18 13:00 | Riccardo Di Nocera v Elio Jose Ribeiro Lago | 5-7,7-6,10-1 |