Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Sion | 2023/08/28 15:50 | Sam K Baumgartner v Giacomo Crisostomo | 6-4,6-2 |
| ITF M25 Sion | 2023/08/27 12:50 | Kalomm Panzo v Giacomo Crisostomo | 1-6,6-7 |
| ITF M15 Caslano | 2023/08/23 09:50 | Noah Lopez v Giacomo Crisostomo | 6-4,6-2 |
| ITF M15 Caslano | 2023/08/21 12:55 | Nicolas Affolter v Giacomo Crisostomo | 1-6,2-6 |
| ITF M15 Caslano | 2023/08/20 12:25 | Giacomo Crisostomo v Jan Jermar | 6-2,6-0 |
| ITF M25 Koksijde | 2023/08/14 09:50 | Thiemo De Bakker v Giacomo Crisostomo | 6-1,6-2 |
| ITF M25 Koksijde | 2023/08/13 09:55 | Cian Maguire v Giacomo Crisostomo | 2-6,1-6 |
| ITF M15 Eupen | 2023/08/07 07:00 | Roland Stuurman v Giacomo Crisostomo | 1-6,6-1,10-5 |
| ITF M25 Monastir | 2023/09/14 11:00 | Andres Martin v Felix Mischker | 6-3,7-5 |
| ITF M25 Monastir | 2023/09/13 10:15 | Felix Mischker v Matteo Fondriest | 7-5,6-4 |
| ITF M25 Monastir | 2023/09/11 13:45 | Max Benaim v Felix Mischker | 2-6,3-6 |
| ITF M25 Monastir | 2023/09/11 09:20 | Maxwell Weishan v Felix Mischker | 5-7,3-6 |
| ITF M25 Monastir | 2023/09/04 15:30 | Isaac Nortey v Felix Mischker | 7-6,3-6,10-7 |
| ITF M15 Monastir | 2023/08/27 08:00 | Aaron Gil Garcia v Felix Mischker | 6-4,7-6 |
| ITF M15 Eupen | 2023/08/08 14:00 | Stijn Slump v Felix Mischker | 6-3,6-1 |
| ITF M15 Eupen | 2023/08/08 08:00 | Ruben Hartig v Felix Mischker | 6-4,6-7,7-10 |