Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Sintra | 2023/09/14 11:20 | Sebastian Fanselow v Tomas C Abasolo | 6-7,6-3,6-4 |
| ITF M15 Madrid | 2023/12/07 12:05 | Tomas C Abasolo v Georgii Kravchenko | 4-6,6-1,2-6 |
| ITF M15 Madrid | 2023/12/06 13:40 | Kenny de Schepper v Tomas C Abasolo | 3-6,4-6 |
| ITF M25 Madrid | 2023/12/05 08:00 | Tomas C Abasolo v Martins Rocens | 7-6,6-4 |
| ITF M25 Madrid | 2023/12/04 09:30 | Tomas C Abasolo v Noah Regas | 6-2,6-2 |
| ITF M25 Madrid | 2023/12/03 14:00 | Tomas C Abasolo v Toprak Avcibasi | 6-3,2-6,10-6 |
| ITF M15 Madrid | 2023/11/30 11:35 | Tomas C Abasolo v Dali Blanch | 4-6,3-6 |
| ITF M15 Madrid | 2023/11/29 10:40 | Pau Bosch Munoz v Tomas C Abasolo | 1-6,2-6 |
| ITF M15 Vigo | 2023/10/12 14:35 | Nicolas Alvarez Varona v Tomas C Abasolo | 6-3,6-2 |
| Challenger Maia | 2023/11/28 12:15 | Sebastian Fanselow v Karl Friberg | 6-3,3-6,4-6 |
| Challenger Champaign | 2023/11/16 18:20 | Sebastian Fanselow v Alex Michelsen | 3-6,2-6 |
| Challenger Champaign | 2023/11/15 00:15 | Aidan Mchugh v Sebastian Fanselow | 2-6,6-4,3-6 |
| Challenger Knoxville | 2023/11/09 16:00 | Zachary Svajda v Sebastian Fanselow | 6-2,7-5 |
| Challenger Knoxville | 2023/11/07 21:40 | Sebastian Fanselow v Cannon Kingsley | 6-4,6-2 |
| Challenger Knoxville | 2023/11/06 17:35 | Sebastian Fanselow v Alex Rybakov | 6-7,6-4,6-4 |
| Challenger Knoxville | 2023/11/05 19:00 | Sebastian Fanselow v Kyle Kang | 6-3,6-3 |
| Challenger Charlottesville | 2023/10/30 15:50 | Sebastian Fanselow v Darian King | 3-6,2-6 |