Estadio: Court 18 Round: 26 Ground: Clay
| ITF M15 Trier | 2023/08/23 10:25 | Tom Gentzsch v Torben Steinorth | 6-2,6-3 |
| ITF M15 Ueberlingen | 2023/08/16 10:50 | Fnu Nidunjianzan v Tom Gentzsch | 6-4,4-6,6-4 |
| Challenger de Meerbusch | 2023/08/08 09:00 | Tibo Colson v Tom Gentzsch | 6-1,6-4 |
| Challenger de Meerbusch | 2023/08/07 13:40 | Tom Gentzsch v Maxime Mora | 5-7,6-4,6-1 |
| ITF M15 Eindhoven | 2023/08/03 14:30 | Sander Jong v Tom Gentzsch | 1-6,6-2,6-3 |
| ITF M15 Eindhoven | 2023/08/02 14:00 | Christian Sigsgaard v Tom Gentzsch | 6-2,4-6,3-6 |
| ITF M15 Eindhoven | 2023/08/01 11:05 | Maciej Rajski v Tom Gentzsch | 4-6,6-4,3-6 |
| ITF M15 Metzingen | 2023/07/25 11:00 | Tom Gentzsch v Gian Luca Tanner | 2-6,4-6 |
| ITF M15 Trier | 2023/08/22 13:15 | Albert Saar v Mika Lipp | 0-6,4-6 |
| ITF M15 Ueberlingen | 2023/08/16 08:00 | Hazem Naw v Mika Lipp | 7-5,6-7,7-5 |
| ITF M15 Ueberlingen | 2023/08/15 08:00 | Taym Alazmeh v Mika Lipp | 6-2,3-6,7-10 |
| ITF M15 Ueberlingen | 2023/08/14 08:00 | Juan M B Pazmino v Mika Lipp | 0-6,0-6 |
| ITF M15 Frankfurt Am Main | 2023/08/07 08:00 | Facundo Yunis v Mika Lipp | 6-4,6-4 |
| ITF M15 Metzingen | 2023/07/24 12:00 | Giuseppe La Vela v Mika Lipp | 6-4,6-3 |
| ITF M15 Metzingen | 2023/07/23 14:00 | Michalis Sakellaridis v Mika Lipp | 2-6,3-6 |
| ITF M25 Marburgo | 2023/07/06 09:00 | Timo Stodder v Mika Lipp | 6-0,7-5 |