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 Saint-Tropez | 2023/09/19 08:00 | Alexander Cozbinov v Peter Gojowczyk | 4-6,3-6 |
| Challenger Saint-Tropez | 2023/09/18 14:40 | Mark Lajal v Alexander Cozbinov | 6-2,6-1 |
| Challenger Saint-Tropez | 2023/09/17 12:25 | Enzo Wallart v Alexander Cozbinov | 4-6,4-6 |
| ITF M25 Monastir | 2023/09/13 10:20 | Alexander Cozbinov v Daniel Khazime | 4-6,3-6 |
| ITF M25 Monastir | 2023/09/08 08:30 | Ryan Seggerman v Alexander Cozbinov | 7-6,7-6 |
| ITF M25 Monastir | 2023/09/07 12:30 | Benjamin Loccisano v Alexander Cozbinov | 1-6,2-6 |
| ITF M25 Monastir | 2023/09/05 12:30 | Younes Lalami Laaroussi v Alexander Cozbinov | 2-6,2-6 |
| ITF M15 Monastir | 2023/09/01 08:30 | Alexander Cozbinov v Alexandros Skorilas | 5-7,6-3,3-6 |