Stadium: Court 20 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/09 07:00 | Marius Ruzgas v Jannik Maute | 3-6,6-4,12-14 |
| ITF M15 Heraklion | 2021/11/08 08:00 | Marius Ruzgas v George Gregoriou | 6-3,6-3 |
| ITF M15 Heraklion | 2021/11/07 09:00 | Marius Ruzgas v Michel-Alexandre Fortin | 6-3,3-6,10-3 |
| ITF M15 Heraklion | 2021/11/02 08:30 | Marius Ruzgas v Ryan James Storrie | 4-6,1-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/24 07:00 | Vilhelm Fridell v Marius Ruzgas | 2-6,6-3,6-7 |
| UTR Pro Tennis Series Copenhagen | 2021/10/23 09:30 | Arslan Temirhanov v Marius Ruzgas | 3-6,5-7 |
| UTR Pro Tennis Series Copenhagen | 2021/10/22 08:30 | Adam Heinonen v Marius Ruzgas | 3-6,6-3,3-5 |
| UTR Pro Tennis Series Copenhagen | 2021/10/21 08:30 | Alexander Stage v Marius Ruzgas | 2-6,2-6 |
| ITF M15 Ulcinj | 2021/09/05 07:30 | Ammar Elamin v Dusan Rajic | 4-6,4-6 |
| ITF M15 Huy | 2021/08/23 15:15 | Nicolas Tepmahc v Ammar Elamin | 6-4,7-5 |
| ITF M15 Huy | 2021/08/22 07:00 | Facundo Elias Hanni v Ammar Elamin | 4-6,4-6 |
| ITF M25 Koksijde | 2021/08/16 09:45 | Alexandre Aubriot v Ammar Elamin | 3-6,6-3,10-3 |
| ITF M25 Koksijde | 2021/08/15 11:40 | Noah Schlagenhauf v Ammar Elamin | 4-6,3-6 |
| Davis Cup | 2021/06/18 08:00 | Ammar Elamin v Alex Degabriele | 6-1,6-2 |
| ITF M15 Heraklion | 2021/06/06 09:00 | Edoardo Graziani v Ammar Elamin | 6-4,6-4 |
| ITF M15 Heraklion | 2021/05/31 09:00 | Austin Ansari v Ammar Elamin | 4-6,6-4,10-5 |