Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Saint Dizier | 2023/03/30 11:15 | Florian Broska v Christian Sigsgaard | 7-6,6-3 |
| ITF M25 Saint Dizier | 2023/03/29 12:20 | Christian Sigsgaard v Tristan Lamasine | 7-6,6-4 |
| ITF M25 Toulouse | 2023/03/23 09:55 | Christian Sigsgaard v Goncalo Oliveira | 3-6,3-6 |
| ITF M25 Toulouse | 2023/03/22 09:00 | Max Cunat v Christian Sigsgaard | 3-6,6-7 |
| ITF M25 Faro | 2023/02/20 14:20 | Nikolay Nedelchev v Christian Sigsgaard | 6-4,2-6,10-7 |
| ITF M25 Faro | 2023/02/19 13:00 | Jordi Domenech Castillo v Christian Sigsgaard | 0-6,2-6 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/17 10:00 | Christian Sigsgaard v Pablo Llamas Ruiz | 6-4,2-6,2-6 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/16 09:30 | Alberto Barroso Campos v Christian Sigsgaard | 0-6,3-6 |
| ITF M25 Nottingham | 2023/04/20 10:15 | Matthew Dellavedova v Mark Whitehouse | 7-6,6-1 |
| ITF M25 Nottingham | 2023/04/18 09:00 | Mark Whitehouse v Harry Wendelken | 6-2,6-0 |
| ITF M25 Trento | 2023/03/29 11:50 | Alastair Gray v Mark Whitehouse | 6-2,6-3 |
| ITF M25 Montreal | 2023/03/15 16:55 | Mark Whitehouse v Alfredo Perez | 3-6,6-7 |
| ITF M25 Montreal | 2023/03/07 21:15 | Mark Whitehouse v Daniel Rodrigues | 4-6,7-6,4-6 |
| ITF M25 Torello | 2023/03/02 12:40 | Charles Broom v Mark Whitehouse | 6-7,6-4,6-0 |
| ITF M25 Torello | 2023/03/01 12:25 | Mark Whitehouse v Miguel Damas | 6-1,4-6,7-5 |
| Challenger Tenerife - kval. | 2023/02/06 10:00 | Matteo Gigante v Mark Whitehouse | 6-1,6-3 |