Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2021/12/05 08:00 | Charles Broom v Seelig, Kyle | 6-3,6-3 |
| ITF - M15 Héraklion | 2021/12/04 08:00 | Arthur Fery v Seelig, Kyle | 3-6,5-7 |
| ITF - M15 Héraklion | 2021/12/03 09:50 | Park, Uisung v Seelig, Kyle | 3-6,4-6 |
| ITF - M15 Héraklion | 2021/12/02 08:30 | Alexandros Skorilas v Seelig, Kyle | 3-6,1-6 |
| ITF - M15 Héraklion | 2021/12/01 10:45 | Jimmy Yang v Seelig, Kyle | 1-6,1-6 |
| ITF - M15 Héraklion | 2021/11/25 09:20 | Daniel Rincon v Seelig, Kyle | 6-1,1-6,6-4 |
| ITF - M15 Héraklion | 2021/11/24 10:15 | Seelig, Kyle v Veldheer, Mick | 6-3,6-1 |
| ITF - M15 Héraklion | 2021/11/23 07:00 | Seelig, Kyle v Preston Brown | 3-6,4-6 |
| ITF - M15 Héraklion | 2021/11/14 11:00 | Ruzgas, Marius v Ammar Elamin | 4-6,3-6 |
| ITF - M15 Héraklion | 2021/11/09 07:00 | Ruzgas, Marius v Jannik Maute | 3-6,6-4,12-14 |
| ITF - M15 Héraklion | 2021/11/08 08:00 | Ruzgas, Marius v George Gregoriou | 6-3,6-3 |
| ITF - M15 Héraklion | 2021/11/07 09:00 | Ruzgas, Marius v Fortin, Michel-Alexandre | 6-3,3-6,10-3 |
| ITF - M15 Héraklion | 2021/11/02 08:30 | Ruzgas, Marius v Ryan James Storrie | 4-6,1-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/24 07:00 | Vilhelm Fridell v Ruzgas, Marius | 2-6,6-3,6-7 |
| UTR Pro Tennis Series Copenhagen | 2021/10/23 09:30 | Arslan Temirhanov v Ruzgas, Marius | 3-6,5-7 |
| UTR Pro Tennis Series Copenhagen | 2021/10/22 08:30 | Adam Heinonen v Ruzgas, Marius | 3-6,6-3,3-5 |