Stadium: Court 3 Round: 44 Ground: Carpet indoor
| 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 |
| ITF M25 Heraklion | 2023/11/07 09:05 | Sean Hodkin v Adam Heinonen | 4-6,1-6 |
| ITF M25 Heraklion | 2023/11/06 07:00 | Thomas Kostka v Adam Heinonen | 6-7,2-6 |
| ITF M15 Heraklion | 2023/10/28 08:00 | Valentin Royer v Adam Heinonen | 6-3,6-3 |
| ITF M25 Nussloch | 2024/01/21 08:30 | Maxim Eyers v Aaron Funk | 2-6,2-6 |
| ITF M15 Cadolzburg | 2024/01/16 14:15 | Tim Ruehl v Aaron Funk | 6-4,6-3 |
| German Championship | 2023/12/03 14:00 | Robin Sanz v Aaron Funk | 4-6,5-7 |
| ITF M15 Buschhausen | 2023/09/11 08:00 | Aaron Funk v Noel Larwig | 2-6,4-6 |
| ITF M15 Trier | 2023/08/23 12:40 | Tom Schonenberg v Aaron Funk | 4-6,6-3,6-4 |
| ITF M15 Frankfurt Am Main | 2023/08/07 08:00 | Aaron Funk v Davud Amirov | 6-3,6-2 |
| German Championship | 2022/12/05 09:00 | Lukas Maskow v Aaron Funk | 0-0 |
| German Championship | 2022/12/04 11:00 | Aaron Funk v Piet Steveker | 3-6,6-4,1-0 |