Stadium: Court 8 Round: 54 Ground: Hardcourt indoor
| ITF M25 Falun | 2021/09/29 14:50 | Antoine Escoffier v Christian Sigsgaard | 7-5,6-7,6-4 |
| ITF M25 Falun | 2021/09/28 12:45 | Leo Borg v Christian Sigsgaard | 3-6,4-6 |
| ITF M25 Falun | 2021/09/26 11:00 | Christian Sigsgaard v Jonathan Backman | 6-1,6-4 |
| Davis Cup | 2021/09/17 14:00 | Christian Sigsgaard v Wishaya Trongcharoenchaikul | 6-3,6-2 |
| ITF M15 Monastir | 2021/09/11 08:30 | Christian Sigsgaard v Gage Brymer | 4-6,4-6 |
| 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 M25 Pretoria | 2021/09/29 12:00 | Benjamin Lock v Alec Beckley | 6-4,7-6 |
| ITF M25 Johannesburg | 2021/09/24 08:00 | Alec Beckley v Mateus Alves | 1-6,4-6 |
| ITF M25 Johannesburg | 2021/09/23 08:30 | Alec Beckley v Menelaos Efstathiou | 7-6,6-4 |
| ITF M25 Johannesburg | 2021/09/21 09:45 | Konstantin Kravchuk v Alec Beckley | 4-6,6-4,6-7 |
| ITF M25 Johannesburg | 2021/09/16 09:30 | Jeremy Beale v Alec Beckley | 6-4,6-3 |
| ITF M25 Johannesburg | 2021/09/15 07:55 | Julian Cash v Alec Beckley | 4-6,6-7 |
| ITF M25 Johannesburg | 2021/09/13 11:30 | Asaf Friedler v Alec Beckley | 4-6,1-6 |
| ITF M25 Johannesburg | 2021/09/13 07:25 | Jamie Davis v Alec Beckley | 2-6,1-6 |