Stadium: Varela CenterCourt Round: 26 Ground: Clay
| ITF - M15 Buschhausen | 2023/09/12 11:35 | Luca Castagnola v Lukas Palovic | 6-1,6-3 |
| Challenger - Janov | 2023/09/04 08:00 | Chun Hsin Tseng v Luca Castagnola | 6-2,6-3 |
| Challenger - Janov | 2023/09/03 11:15 | Luca Castagnola v Gabriele Piraino | 6-3,5-7,6-1 |
| Challenger - Como | 2023/08/28 12:00 | Luca Castagnola v Calvin Hemery | 0-6,4-6 |
| ITF - M25 Lesa | 2023/08/24 14:30 | Tim Handel v Luca Castagnola | 2-6,6-3,6-4 |
| ITF - M25 Lesa | 2023/08/22 18:45 | Luca Castagnola v Rocco Piatti | 6-3,7-5 |
| ITF - M15 Pescara | 2023/08/12 08:55 | Luciano Carraro v Luca Castagnola | 2-6,6-3,1-6 |
| ITF - M15 Pescara | 2023/08/11 09:30 | Luca Castagnola v Giulio Perego | 6-4,6-4 |
| ITF - M15 Buschhausen | 2023/09/12 10:00 | Justin Engel v John Sperle | 6-2,6-3 |
| ITF - M15 Allershausen | 2023/08/31 09:55 | Justin Engel v Adrian Oetzbach | 7-6,4-6,4-6 |
| ITF - M15 Allershausen | 2023/08/30 14:20 | Dennis Bloemke v Justin Engel | 4-6,1-6 |
| ITF - M15 Ueberlingen | 2023/08/16 13:10 | Jakob Schnaitter v Justin Engel | 7-6,6-1 |
| ITF - M25 Wetzlar | 2023/08/01 12:40 | Justin Engel v Diego Dedura-Palomero | 5-7,2-6 |
| ITF - M15 Uslar | 2023/07/19 09:55 | Juan C P Angelo v Justin Engel | 6-2,6-4 |
| ITF - M15 Uslar | 2023/07/17 16:00 | Justin Engel v Noah Schlagenhauf | 6-3,6-0 |
| ITF - M15 Uslar | 2023/07/17 08:00 | Andrea Gola v Justin Engel | 2-6,3-6 |