Stadium: Court 1 Round: 26 Ground: Clay
| Challenger St Brieuc | 2023/03/23 19:45 | Evan Furness v Sebastian Fanselow | 2-6,6-1,6-4 |
| Challenger St Brieuc | 2023/03/21 19:00 | Sebastian Fanselow v Antoine Hoang | 6-4,6-3 |
| ITF M25 Portimao | 2023/03/16 16:00 | Georgii Kravchenko v Sebastian Fanselow | 6-3,4-6,6-4 |
| ITF M25 Portimao | 2023/03/14 12:25 | Tiago Pereira v Sebastian Fanselow | 6-2,3-6,1-6 |
| Challenger Waco | 2023/02/26 16:00 | Sebastian Fanselow v Henri Squire | 2-6,2-6 |
| Challenger Rome GA | 2023/02/21 19:45 | Sebastian Fanselow v Sho Shimabukuro | 6-2,3-6,3-6 |
| Challenger Rome GA | 2023/02/20 19:00 | Sebastian Fanselow v Pedro Rodenas | 6-3,6-2 |
| Challenger Rome GA | 2023/02/19 21:25 | Sebastian Fanselow v Ronald Hohmann | 6-4,4-6,6-2 |
| Challenger Lille | 2023/03/26 13:20 | Jonas Forejtek v Niklas Schell | 6-3,7-6 |
| Challenger Biel | 2023/03/19 11:45 | Max Hans Rehberg v Niklas Schell | 6-3,6-4 |
| ITF M15 Monastir | 2023/03/16 08:30 | Niklas Schell v Simone Roncalli | 5-7,6-2,5-7 |
| ITF M15 Monastir | 2023/03/15 10:25 | Niklas Schell v Fitriadi M Rifqi | 6-7,6-3,6-3 |
| ITF M25 Bath | 2023/02/08 11:35 | Patrick Brady v Niklas Schell | 6-7,6-4,7-6 |
| ITF M25 Veigy-Foncenex | 2023/01/11 10:55 | Niklas Schell v Tristan Lamasine | 5-7,6-7 |
| Challenger Maia | 2022/11/27 15:20 | Niklas Schell v Andrea Picchione | 6-7,5-7 |
| Challenger Helsinki | 2022/11/14 13:05 | Oleksii Krutykh v Niklas Schell | 7-5,3-6,6-1 |