Stadium: Court 15 Round: 25 Ground: Clay
| 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 M15 Heraklion | 2023/10/27 07:00 | Guy Den Ouden v Adam Heinonen | 6-7,6-1,2-6 |
| ITF M15 Heraklion | 2023/10/25 08:10 | Adam Heinonen v Graham Maassen | 6-4,6-3 |
| ITF M15 Heraklion | 2023/10/24 06:30 | Niels Visker v Adam Heinonen | 6-4,3-6,6-10 |
| ITF M15 Heraklion | 2023/10/23 10:30 | Piotr Siekanowicz v Adam Heinonen | 2-6,4-6 |
| ITF M15 Alcala De Henares | 2023/11/25 10:00 | David Perez Sanz v Daniel Merida Aguilar | 6-2,5-7,4-6 |
| ITF M15 Alcala De Henares | 2023/11/24 12:45 | Dali Blanch v David Perez Sanz | 4-6,6-4,3-6 |
| ITF M15 Alcala De Henares | 2023/11/23 09:00 | David Perez Sanz v Luigi Castelletti | 6-3,6-2 |
| ITF M15 Alcala De Henares | 2023/11/22 09:50 | Asier Civera Martinez v David Perez Sanz | 1-6,1-6 |
| ITF M25 Santa Margherita | 2023/10/09 07:55 | David Perez Sanz v Giammarco Gandolfi | 2-6,6-7 |
| ITF M25 Idanha-A-Nova | 2023/08/31 08:00 | Loic N Tenguere v David Perez Sanz | 6-3,6-4 |
| ITF M25 Idanha-A-Nova | 2023/08/29 09:10 | Adan Freire Da Silva v David Perez Sanz | 3-6,7-6,2-6 |
| ITF M25 Idanha-A-Nova | 2023/08/24 09:40 | David Perez Sanz v Dan Added | 4-6,1-6 |