stadio: Indoor 22 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Manacor | 2023/01/17 13:30 | Christian Sigsgaard v Yaroslav Demin | 6-3,6-1 |
| ITF M25 Manacor | 2023/01/16 11:00 | Christian Sigsgaard v Wyatt DeMulling | 6-1,6-0 |
| ITF M25 Manacor | 2023/01/15 14:00 | Christian Sigsgaard v Benjamin Kreynes | 6-0,6-0 |
| ITF M25 Austin | 2022/11/12 16:30 | Christian Sigsgaard v Jack Pinnington Jones | 7-5,2-6,6-3 |
| ITF M25 Austin | 2022/11/12 07:30 | Micah Braswell v Christian Sigsgaard | 6-4,6-4 |
| ITF M25 Austin | 2022/11/10 17:00 | Christian Sigsgaard v Lucas Renard | 6-0,6-4 |
| ITF M25 Austin | 2022/11/09 21:25 | Johannes Ingildsen v Christian Sigsgaard | 4-6,3-6 |
| ITF M15 Fayetteville | 2022/11/04 14:50 | Olle Wallin v Christian Sigsgaard | 6-0,6-4 |
| Challenger Oeiras | 2023/01/11 16:15 | Dino Prizmic v Sebastian Fanselow | 2-6,6-2,6-2 |
| Challenger Oeiras | 2023/01/10 17:05 | Sebastian Fanselow v Harold Mayot | 6-2,3-6,6-4 |
| Challenger Oeiras | 2023/01/09 12:35 | Sebastian Fanselow v Vitaliy Sachko | 2-6,6-3,7-5 |
| Challenger Oeiras - Qual. | 2023/01/08 16:05 | Max Houkes v Sebastian Fanselow | 2-6,2-6 |
| Challenger Oeiras | 2023/01/02 12:50 | Alibek Kachmazov v Sebastian Fanselow | 6-3,6-2 |
| Challenger Oeiras | 2023/01/01 18:25 | Fabio Coelho v Sebastian Fanselow | 3-6,5-7 |
| Challenger Champaign | 2022/11/16 17:25 | Prajnesh Gunneswaran v Sebastian Fanselow | 3-6,6-2,7-5 |
| Challenger Champaign | 2022/11/14 23:20 | Sebastian Fanselow v Ezekiel Clark | 6-1,6-1 |