Stadium: Court 2 Round: 26 Ground: Carpet indoor
| ITF M25 Nussloch | 2024/01/24 17:30 | Mats Rosenkranz v Tom Gentzsch | 6-7,3-6 |
| ITF M15 Cadolzburg | 2024/01/19 12:00 | Max Hans Rehberg v Tom Gentzsch | 7-6,6-2 |
| ITF M15 Cadolzburg | 2024/01/18 13:20 | Marc Majdandzic v Tom Gentzsch | 3-6,2-6 |
| ITF M15 Cadolzburg | 2024/01/16 09:55 | Jack Karlsson Winstrand v Tom Gentzsch | 6-7,6-4,2-6 |
| German Championship | 2023/12/07 12:00 | Tom Gentzsch v Max Hans Rehberg | 2-6,7-5,3-6 |
| German Championship | 2023/12/06 12:05 | Luca Matteo Sobbe v Tom Gentzsch | 3-6,2-6 |
| Challenger Maia | 2023/11/29 15:25 | Fabio Fognini v Tom Gentzsch | 6-7,6-3,7-5 |
| Challenger Maia | 2023/11/27 11:00 | Miguel Damas v Tom Gentzsch | 6-2,3-6,1-6 |
| ITF M25 Nussloch | 2024/01/24 11:20 | Adam Heinonen v Edison Ambarzumjan | 7-6,7-5 |
| ITF M25 Nussloch | 2024/01/22 16:45 | Adam Heinonen v Yvo Panak | 6-1,3-6,10-7 |
| ITF M25 Nussloch | 2024/01/21 14:30 | Adam Heinonen v Aaron Funk | 6-4,6-4 |
| ITF M25 Madrid | 2023/12/05 08:00 | Adam Heinonen v Joris Moret | 3-6,7-5,7-10 |
| ITF M25 Madrid | 2023/12/04 09:30 | Adam Heinonen v Manel L Juncadella | 6-2,6-0 |
| ITF M25 Madrid | 2023/12/03 14:00 | Adam Heinonen v Sergi Fita Juan | 6-4,6-1 |
| ITF M15 Madrid | 2023/11/28 10:00 | Adam Heinonen v David Perez Sanz | 3-6,6-4,2-6 |
| ITF M25 Heraklion | 2023/11/08 12:15 | Adam Heinonen v Sidane Pontjodikromo | 6-3,2-6,4-6 |