Stadium: Court 4 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/09/10 09:45 | Masamichi Imamura v Christian Sigsgaard | 3-6,6-3,3-6 |
| ITF M15 Monastir | 2021/09/09 09:40 | Christian Sigsgaard v Stuart Parker | 1-6,6-2,6-1 |
| ITF M15 Monastir | 2021/09/08 14:00 | Peter Bertran v Christian Sigsgaard | 3-6,3-6 |
| ITF M15 Monastir | 2021/09/07 08:00 | Christian Sigsgaard v James Ibrahim | 6-2,6-1 |
| ITF M15 Monastir | 2021/09/05 11:00 | Christian Sigsgaard v Amaury Raynel | 6-1,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/12 10:50 | Christian Sigsgaard v Daniel Dutra Da Silva | 6-7,3-6 |
| ITF M25 Frankfurt am Main | 2021/08/10 13:55 | Tobias Simon v Christian Sigsgaard | 3-6,3-6 |
| ITF M15 Frederiksberg | 2021/08/06 09:00 | Jonathan Mridha v Christian Sigsgaard | 6-4,6-4 |
| ITF M15 Monastir | 2021/09/09 09:50 | Simon Yitbarek v Gage Brymer | 1-6,3-6 |
| ITF M15 Monastir | 2021/09/08 14:00 | Giorgio Ricca v Gage Brymer | 4-6,3-6 |
| ITF M15 Monastir | 2021/09/02 08:00 | Gage Brymer v Kyle Seelig | 4-6,0-6 |
| ITF M15 Monastir | 2021/09/01 09:30 | Gage Brymer v Marat Sharipov | 6-2,6-3 |
| ITF M15 Monastir | 2021/08/27 07:30 | Mateo Nicolas Martinez v Gage Brymer | 7-6,6-4 |
| ITF M15 Monastir | 2021/08/26 07:30 | Yuki Mochizuki v Gage Brymer | 3-6,6-1,0-6 |
| ITF M15 Monastir | 2021/08/24 08:30 | Dostanbek Tashbulatov v Gage Brymer | 2-6,2-6 |
| ITF M15 Monastir | 2021/08/21 08:00 | Gage Brymer v Duarte Vale | 6-7,2-6 |