Stadium: Court 6 Round: 54 Ground: Clay
| ITF M25 Frankfurt am Main | 2021/08/09 11:30 | Romios, Matthew Christopher v Giles Hussey | 7-6,7-6 |
| ITF M25 Wetzlar | 2021/08/05 09:00 | Louis Wessels v Romios, Matthew Christopher | 6-3,6-1 |
| ITF M25 Wetzlar | 2021/08/04 12:55 | Romios, Matthew Christopher v Max Wiskandt | 6-4,6-3 |
| ITF M25 Wetzlar | 2021/08/03 09:00 | Romios, Matthew Christopher v Daniel Paty | 6-4,7-5 |
| ITF M25 Wetzlar | 2021/08/02 12:45 | Romios, Matthew Christopher v Tesic, David | 6-1,6-2 |
| ITF M15 Esch/Alzette | 2021/07/20 13:00 | Romios, Matthew Christopher v Andreja Petrovic | 7-6,4-6,3-6 |
| UTR Pro Tennis Series Bendigo | 2021/01/22 05:00 | Romios, Matthew Christopher v Bosancic, Thomas | 3-6,1-4 |
| UTR Pro Tennis Series Bendigo | 2021/01/19 23:00 | Romios, Matthew Christopher v Klein, Brydan | 3-6,6-4,1-6 |
| ITF M25 Frankfurt am Main | 2021/08/09 10:35 | Ma, William v Sabanin, Yan | 3-6,3-6 |
| ITF M15 Parnu | 2021/08/06 11:00 | Sabanin, Yan v Roncalli, Simone | 1-6,4-6 |
| ITF M15 Parnu | 2021/08/05 09:55 | Sabanin, Yan v Andrea Guerrieri | 6-2,6-3 |
| ITF M15 Parnu | 2021/08/04 08:30 | Niklas-Salminen, Patrick v Sabanin, Yan | 3-6,6-7 |
| ITF M15 Esch/Alzette | 2021/07/20 11:00 | Sabanin, Yan v Louis Wessels | 6-7,0-6 |
| ITF M25 Telfs | 2021/07/13 11:00 | Sabanin, Yan v Podzus, Martins | 6-7,7-5,3-6 |
| ITF M25 Marburg | 2021/07/07 09:00 | Sabanin, Yan v Ryan Nijboer | 0-6,3-6 |
| ITF M25 Marburg | 2021/07/06 14:35 | Sabanin, Yan v Patrick Zahraj | 6-4,6-4 |