Stadium: Center Court Round: 62 Ground: Clay
| ITF M25 Klosters | 2023/07/05 15:05 | Benjamin Lock v Gian Luca Tanner | 6-2,2-6,6-4 |
| ITF M25 Klosters | 2023/07/03 12:45 | Gian Luca Tanner v Raffael Schaer | 7-5,6-0 |
| ITF M25 Klosters | 2023/07/02 14:50 | Lawrence Bataljin v Gian Luca Tanner | 1-6,2-6 |
| ITF M25 Bourg-en-Bresse | 2023/06/28 16:00 | Gian Luca Tanner v Alex M Pujolras | 1-6,2-6 |
| ITF M25 Bourg-en-Bresse | 2023/06/26 10:55 | Gian Luca Tanner v Raphael Vaksmann | 6-3,6-1 |
| ITF M25 Bourg-en-Bresse | 2023/06/25 12:35 | Yann Wojcik v Gian Luca Tanner | 4-6,6-7 |
| ITF M15 Saarlouis | 2023/06/18 09:00 | Gian Luca Tanner v Guy Den Heijer | 6-3,2-6,8-10 |
| ITF M25 Grasse | 2023/06/12 09:45 | Loris Pourroy v Gian Luca Tanner | 6-3,6-1 |
| ITF M15 Uslar | 2023/07/17 16:00 | Justin Engel v Noah Schlagenhauf | 6-3,6-0 |
| ITF M15 Uslar | 2023/07/17 10:30 | Linus Krohn v Noah Schlagenhauf | 5-7,3-6 |
| ITF M15 Store | 2023/06/20 10:05 | Pietro Pampanin v Noah Schlagenhauf | 6-4,6-2 |
| ITF M15 Store | 2023/06/19 14:05 | Vaal Urankar v Noah Schlagenhauf | 3-6,3-6 |
| ITF M15 Duffel | 2023/06/14 08:00 | Noah Schlagenhauf v Tibo Colson | 5-7,0-6 |
| ITF M15 Duffel | 2023/06/12 10:00 | Nico Hornitschek v Noah Schlagenhauf | 5-7,6-7 |
| ITF M15 Duffel | 2023/06/11 12:30 | Rik Muller v Noah Schlagenhauf | 6-7,7-6,6-10 |
| ITF M15 Sarajevo | 2023/06/07 07:00 | Noah Schlagenhauf v Matias Zukas | 1-6,5-7 |