Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Wroclaw | 2023/06/25 09:00 | Kris Krawcewicz v Collin Altamirano | 3-6,0-6 |
| ITF M15 Saarlouis | 2023/06/22 10:15 | Joao Fonseca v Collin Altamirano | 6-2,6-3 |
| ITF M15 Saarlouis | 2023/06/21 09:20 | Collin Altamirano v Andres Andrade | 7-6,2-6,6-3 |
| ITF M15 Saarlouis | 2023/06/19 09:30 | Boris Fassbender v Collin Altamirano | 2-6,7-6,8-10 |
| ITF M15 Saarlouis | 2023/06/18 09:00 | Marcel Marlon Sudzum v Collin Altamirano | 1-6,2-6 |
| ITF M25 Grasse | 2023/06/11 07:30 | Etienne Donnet v Collin Altamirano | 3-6,6-4,10-6 |
| ITF M25 Carnac | 2023/05/30 16:20 | Titouan Droguet v Collin Altamirano | 6-1,6-2 |
| ITF M25 Carnac | 2023/05/29 11:50 | Loann Massard v Collin Altamirano | 6-2,4-6,5-10 |
| ITF M15 Wroclaw | 2023/06/25 08:00 | Makary Adamek v Michael Agwi | 1-6,2-6 |
| ITF M25 Most | 2023/05/24 07:55 | Michael Agwi v Henri Squire | 0-6,0-6 |
| ITF M25 Most | 2023/05/23 09:50 | Michael Agwi v Lukas Janousek | 6-1,6-3 |
| ITF M25 Most | 2023/05/22 08:00 | Michael Agwi v Leon Formella | 6-2,6-0 |
| ITF M25 Most | 2023/05/21 08:00 | Michael Agwi v Jiri Krouzek | 1-6,7-6,10-1 |
| ITF M25 Prague | 2023/05/16 08:55 | Michael Agwi v Christian Fellin | 3-6,3-6 |
| ITF M25 Prague | 2023/05/15 10:45 | Michael Agwi v Jiri Krouzek | 6-3,6-1 |
| ITF M25 Prague | 2023/05/14 12:30 | Michael Agwi v Jakub Filip | 6-1,6-2 |