Estádio: Court 14 Round: 62 Ground: Clay
| 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 - 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 Castellón | 2023/10/17 07:30 | Oscar Jose Gutierrez v Sergi Fita Juan | 6-1,6-1 |
| ITF - M15 Castellón | 2023/10/16 11:00 | Amaan Siddiqui v Sergi Fita Juan | 2-6,3-6 |
| ITF - M15 Vigo | 2023/10/10 07:30 | Pedro Iamachkine v Sergi Fita Juan | 6-2,6-0 |
| ITF - M15 Vigo | 2023/10/09 09:00 | Sergi Fita Juan v Nicolas Rafael Goldberg Alviani | 6-1,4-6,10-5 |
| ITF - M15 Vigo | 2023/10/08 12:00 | Cian Maguire v Sergi Fita Juan | 6-7,4-6 |
| ITF - M25 Sabadell | 2023/09/25 07:30 | Sergi Fita Juan v Iker Urribarrens | 7-5,3-6,8-10 |
| ITF - M25 Sabadell | 2023/09/24 07:30 | Joshua Schaefer v Sergi Fita Juan | 6-3,2-6,6-10 |
| ITF - M15 Madrid | 2023/09/04 10:00 | Sergi Fita Juan v Mateo Luis Alvarez Sarmiento | 2-6,1-6 |