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 |
| ITF M25 Aparecida De Goiania | 2021/11/07 14:00 | Sean Hess v Ighor Halmenschlager Reis | 7-6,6-1 |
| ITF M15 Brasilia | 2021/11/01 12:00 | Ighor Halmenschlager Reis v Bruno Stefani Figlio | 6-7,4-6 |
| ITF M25 Rio do Sul | 2021/10/18 19:50 | Bruno Fernandez v Ighor Halmenschlager Reis | 6-4,6-4 |
| ITF M15 Recife | 2021/09/20 13:00 | Ighor Halmenschlager Reis v Lorenzo Esquici | 4-6,5-7 |
| ITF M15 Sao JDR Preto | 2019/06/17 16:00 | Igor Gimenez v Ighor Halmenschlager Reis | 6-3,6-3 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Ighor Halmenschlager Reis v Diego Matos | 2-6,2-6 |
| ITF Brazil F2 | 2018/04/29 17:30 | Ighor Halmenschlager Reis v Fermin Tenti | 1-6,0-6 |
| ITF Brazil F2 | 2018/04/28 17:30 | Pedro Ortega v Ighor Halmenschlager Reis | 4-6,1-6 |