Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Melilla | 2023/09/18 17:40 | Sam K Baumgartner v Hugo Ruiz Rodriguez | 6-1,6-3 |
| ITF M25 Sion | 2023/08/29 10:05 | Nicolas Parizzia v Sam K Baumgartner | 6-4,6-4 |
| ITF M25 Sion | 2023/08/28 15:50 | Sam K Baumgartner v Giacomo Crisostomo | 6-4,6-2 |
| ITF M25 Sion | 2023/08/27 13:15 | Sam K Baumgartner v Enrico Baldisserri | 6-4,6-3 |
| ITF M25 Muttenz | 2023/08/15 08:00 | Jeremy Schifris v Sam K Baumgartner | 6-7,7-5,10-7 |
| ITF M25 Muttenz | 2023/08/14 08:00 | Sam K Baumgartner v Enrico Giacomini | 5-7,6-2,10-2 |
| ITF M15 Xativa | 2023/08/03 15:00 | Pedro Rodenas v Sam K Baumgartner | 6-3,6-1 |
| ITF M15 Xativa | 2023/08/02 17:20 | Francesco Ferrari v Sam K Baumgartner | 4-6,4-6 |
| Challenger Seville | 2023/09/05 15:00 | Diego A B Sanchez v Mikhail Kukushkin | 4-6,4-6 |
| Challenger Seville | 2023/09/04 15:35 | Carlos Sanchez Jover v Diego A B Sanchez | 6-4,2-6,5-7 |
| Challenger Seville | 2023/09/04 10:30 | Diego A B Sanchez v Simon Beaupain | 6-2,6-1 |
| ITF M25 Oviedo | 2023/08/30 18:30 | Gian Marco Moroni v Diego A B Sanchez | 3-6,6-0,6-3 |
| ITF M25 Oviedo | 2023/08/30 13:50 | Ivan Marrero Curbelo v Diego A B Sanchez | 3-6,6-3,1-6 |
| ITF M25 Santander | 2023/08/22 14:35 | Max Alcala Gurri v Diego A B Sanchez | 6-4,3-6,6-3 |
| ITF M15 Xativa | 2023/08/05 16:55 | Vilius Gaubas v Diego A B Sanchez | 6-4,6-2 |
| ITF M15 Xativa | 2023/08/04 17:00 | Jonathan Mridha v Diego A B Sanchez | 6-4,6-7,5-7 |