Stadium: Brenda Meyers Court Round: 14 Ground: Hardcourt indoor
| Challenger Zug | 2023/07/26 09:00 | Dimitar Kuzmanov v Dylan Dietrich | 6-2,6-1 |
| Challenger Zug | 2023/07/24 09:00 | Dylan Dietrich v Kyrian Jacquet | 6-2,5-7,6-4 |
| 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 |
| Challenger Stanford | 2023/08/15 19:20 | Alexander Cozbinov v Constant Lestienne | 2-6,2-6 |
| Challenger Stanford | 2023/08/14 21:25 | Fernando Verdasco v Alexander Cozbinov | 1-6,3-6 |
| Challenger Stanford | 2023/08/12 23:20 | Aryan Chaudhary v Alexander Cozbinov | 0-6,4-6 |
| ATP Los Cabos | 2023/07/30 04:00 | Alexander Cozbinov v Jason Jung | 0-6,1-6 |
| Challenger Salinas | 2023/07/25 19:15 | Philip Sekulic v Alexander Cozbinov | 7-6,6-4 |
| Challenger Granby | 2023/07/17 23:15 | Alexander Cozbinov v Christian Harrison | 1-6,3-6 |
| Challenger Granby | 2023/07/17 16:05 | Nick Chappell v Alexander Cozbinov | 7-6,0-6,7-6 |
| Challenger Granby | 2023/07/16 20:15 | Dan Martin v Alexander Cozbinov | 6-1,4-6,1-6 |