Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Lons-le-Saunier | 2023/04/06 10:55 | Florian Broska v Yannik Steinegger | 6-3,6-2 |
| ITF M15 Lons-le-Saunier | 2023/04/03 11:55 | Francois Musitelli v Yannik Steinegger | 6-2,6-2 |
| ITF M15 Lons-le-Saunier | 2023/04/02 15:30 | Clement Kubiak v Yannik Steinegger | 3-6,3-6 |
| ITF M25 Saint Dizier | 2023/04/01 15:15 | Yannik Steinegger v Clement Chidekh | 0-6,6-3,1-6 |
| ITF M25 Saint Dizier | 2023/03/31 10:00 | Yannik Steinegger v Tim Handel | 3-6,7-5,6-1 |
| ITF M25 Saint Dizier | 2023/03/30 09:00 | Rigele Te v Yannik Steinegger | 2-6,4-6 |
| ITF M25 Saint Dizier | 2023/03/28 11:05 | Yannik Steinegger v Antoine Vincent | 4-6,7-6,6-1 |
| ITF M25 Saint Dizier | 2023/03/27 09:25 | Yannik Steinegger v Antoine Monaco | 6-2,6-2 |
| UTR Pro Easton | 2023/04/08 08:00 | Luke Simkiss v Mattias Southcombe | 6-3,6-7,4-6 |
| UTR Pro Easton | 2023/04/07 08:30 | Mattias Southcombe v Sahej Maker | 6-3,6-2 |
| UTR Pro Easton | 2023/04/06 11:30 | Ivan Denisov v Mattias Southcombe | 6-3,5-4 |
| UTR Pro Easton | 2023/04/05 08:30 | Kyle Rae v Mattias Southcombe | 6-2,6-3 |
| UTR Pro Easton | 2023/04/04 10:00 | Axel Bergdahl v Mattias Southcombe | 7-6,6-4 |
| UTR Pro Easton | 2023/04/02 10:30 | Louis Bowden v Mattias Southcombe | 6-3,5-3 |
| ITF M25 Sunderland | 2023/01/22 16:00 | Damian Rodriguez v Mattias Southcombe | 6-3,6-0 |
| ITF M25 Sheffield | 2023/01/16 11:15 | Tristan McCormick v Mattias Southcombe | 4-6,6-3,10-8 |