Stadium: Court 1 Round: 44 Ground: Clay
| German Championship | 2021/12/09 11:30 | Marko Topo v Edison Ambarzumjan | 6-2,7-6 |
| German Championship | 2021/12/07 15:00 | Edison Ambarzumjan v Lucas Hellfritsch | 7-6,6-4 |
| German Championship | 2021/12/06 10:30 | Michael Feucht v Edison Ambarzumjan | 3-6,4-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/07 09:00 | Edison Ambarzumjan v Teun Rozenberg | 1-6,2-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 09:00 | Lawrence Bataljin v Edison Ambarzumjan | 3-6,6-2,1-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/05 09:00 | Edison Ambarzumjan v Rik Muller | 2-6,6-2,0-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/04 10:30 | Edison Ambarzumjan v Deney Wassermann | 4-6,4-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/03 13:30 | Ivan Denisov v Edison Ambarzumjan | 6-2,6-3 |
| UTR Pro Tennis Series Zadar | 2021/11/18 09:00 | Michalis Sakellaridis v Petar Pjevcevic | 6-3,7-6 |
| UTR Pro Tennis Series Zadar | 2021/11/15 13:30 | Lawrence Bataljin v Petar Pjevcevic | 1-6,6-2,6-3 |
| UTR Pro Tennis Series Zadar | 2021/11/14 14:30 | Petar Pjevcevic v Domagoj Biljesko | 3-6,6-4,2-6 |
| UTR Pro Tennis Series Nis | 2021/10/10 08:00 | Aleksa Mardjonovic v Petar Pjevcevic | 6-0,6-1 |
| UTR Pro Tennis Series Nis | 2021/10/09 08:00 | Petar Teodorovic v Petar Pjevcevic | 6-7,4-5 |
| UTR Pro Tennis Series Nis | 2021/10/08 18:15 | Petar Pjevcevic v Vladimir Popov | 2-6,6-0,5-1 |
| UTR Pro Tennis Series Nis | 2021/10/06 10:00 | Petar Pjevcevic v Lazar Radenkovic | 4-6,6-3,6-2 |
| UTR Pro Tennis Series Nis | 2021/10/05 11:30 | Petar Pjevcevic v Duje Kekez | 3-6,6-3,2-6 |