Stadium: Centre Court Round: 19 Ground: Clay
| Challenger Zug | 2023/07/23 09:00 | Giovanni Fonio v Dylan Dietrich | 3-6,3-6 |
| ITF M25 Klosters | 2023/07/06 08:00 | Dylan Dietrich v Jerome Kym | 1-6,6-3,0-6 |
| ITF M25 Klosters | 2023/07/04 07:00 | Jan Sebesta v Dylan Dietrich | 4-6,6-7 |
| ITF M15 Saarlouis | 2023/06/22 09:00 | Hazem Naw v Dylan Dietrich | 6-2,6-0 |
| ITF M15 Saarlouis | 2023/06/20 10:00 | Tadeas Paroulek v Dylan Dietrich | 6-2,5-7,3-6 |
| ITF M15 Duffel | 2023/06/14 08:00 | Dylan Dietrich v Joao Fonseca | 3-6,3-6 |
| ITF M25 Most | 2023/05/25 08:00 | Timo Stodder v Dylan Dietrich | 3-6,6-2,7-5 |
| ITF M25 Most | 2023/05/24 07:55 | Dylan Dietrich v Jan Pleva | 6-2,6-4 |
| Challenger Zug | 2023/07/23 10:30 | Andrin Casanova v Kyrian Jacquet | 3-6,1-6 |
| Challenger Trieste | 2023/07/21 12:10 | Kyrian Jacquet v Hugo Gaston | 6-4,4-6,4-6 |
| Challenger Trieste | 2023/07/20 10:00 | Kyrian Jacquet v Vitaliy Sachko | 6-3,6-4 |
| Challenger Trieste | 2023/07/18 09:00 | Kyrian Jacquet v Carlos Taberner | 6-3,7-6 |
| Challenger Trieste | 2023/07/17 09:00 | Kyrian Jacquet v Andrey Chepelev | 6-3,6-4 |
| Challenger Trieste | 2023/07/16 11:30 | Kyrian Jacquet v Aldin Setkic | 6-2,6-1 |
| Challenger Iasi | 2023/07/11 10:30 | Jakub Mensik v Kyrian Jacquet | 7-5,6-4 |
| Challenger Iasi | 2023/07/10 07:00 | Kyrian Jacquet v David Pichler | 6-4,6-2 |