Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/14 11:00 | Marius Ruzgas v Ammar Elamin | 4-6,3-6 |
| 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 |
| ITF M15 Cancun | 2021/12/15 14:30 | Chad Kissell v Arklon H D Pino | 2-6,6-4,2-6 |
| ITF M15 Cancun | 2021/12/14 16:00 | Chad Kissell v Austin Ansari | 6-3,6-2 |
| ITF M15 Cancun | 2021/12/09 14:00 | Chad Kissell v Alex Hernandez | 5-7,3-6 |
| ITF M15 Cancun | 2021/12/07 16:00 | Chad Kissell v Trent Bryde | 6-4,6-2 |
| ITF M15 Cancun | 2021/12/06 14:00 | Chad Kissell v Nikolas Moceanu | 6-2,6-2 |
| ITF M15 Cancun | 2021/12/05 14:00 | Chad Kissell v Pedro Gabriel Rodrigues | 6-3,6-4 |
| ITF M15 Cancun | 2021/11/29 14:00 | Chad Kissell v Rubin Statham | 2-6,2-6 |
| ITF M15 Cancun | 2021/11/28 14:00 | Chad Kissell v Wulfrano M M Esdras | 6-3,6-3 |