Stadium: RADO Ct. 3 Round: 25 Ground: Clay
| ITF M15 Caslano | 2023/08/22 07:00 | Luigi Sorrentino v Kilian Feldbausch | 1-6,7-5,7-5 |
| ITF M25 Muttenz | 2023/08/16 11:25 | Kilian Feldbausch v Jeffrey Von Der Schulenburg | 5-7,4-6 |
| Challenger Meerbusch | 2023/08/10 11:35 | Kilian Feldbausch v Daniel Rincon | 2-6,1-6 |
| Challenger Meerbusch | 2023/08/08 14:45 | Kilian Feldbausch v Max Houkes | 7-5,6-4 |
| ATP Kitzbuhel | 2023/07/29 09:00 | Kilian Feldbausch v Ivan Gakhov | 4-6,6-7 |
| Challenger Zug | 2023/07/25 13:00 | Kilian Feldbausch v Fabio Fognini | 4-6,2-6 |
| ATP Gstaad | 2023/07/15 10:10 | Facundo Bagnis v Kilian Feldbausch | 7-6,6-3 |
| ITF M25 Klosters | 2023/07/04 11:25 | Gabriel Debru v Kilian Feldbausch | 6-4,6-7,6-4 |
| Challenger Augsburg | 2023/08/24 09:00 | Gianmarco Ferrari v Carlos Taberner | 4-6,1-6 |
| Challenger Augsburg | 2023/08/23 10:50 | Louis Wessels v Gianmarco Ferrari | 2-6,4-6 |
| Challenger Augsburg | 2023/08/22 09:20 | Gianmarco Ferrari v Billy Harris | 6-7,6-1,6-4 |
| Challenger Augsburg | 2023/08/21 08:00 | Hendrik Jebens v Gianmarco Ferrari | 6-7,3-6 |
| Challenger Augsburg | 2023/08/20 08:00 | Sebastian Prechtel v Gianmarco Ferrari | 3-6,3-6 |
| Challenger Cordenons | 2023/08/07 16:15 | Gianmarco Ferrari v Lukas Neumayer | 4-6,2-6 |
| Challenger San Marino | 2023/07/31 09:00 | Kyrian Jacquet v Gianmarco Ferrari | 6-4,6-4 |
| Challenger San Marino | 2023/07/30 08:00 | Simone Roncalli v Gianmarco Ferrari | 5-7,6-3,0-6 |