Stadium: Enrique Morea Round: 25 Ground: Clay
| ITF M25 - Benicarló | 2023/11/09 10:55 | Miljan Zekic v Felix Gill | 4-6,6-0,6-4 |
| ITF M25 - Benicarló | 2023/11/08 10:10 | Bruno P Navarro v Felix Gill | 0-6,2-6 |
| ITF M25 - Santa Margherita | 2023/10/21 14:00 | Oriol Roca Batalla v Felix Gill | 2-6,4-6 |
| ITF M25 - Santa Margherita | 2023/10/20 09:00 | Felix Gill v Nerman Fatic | 6-2,2-6,6-3 |
| ITF M25 - Santa Margherita | 2023/10/19 07:55 | Salvatore Caruso v Felix Gill | 3-6,2-6 |
| ITF M25 - Santa Margherita | 2023/10/18 08:00 | Felix Gill v Goncalo Oliveira | 6-2,6-2 |
| ITF M25 - Santa Margherita | 2023/10/16 11:30 | Felix Gill v Ryuki Matsuda | 6-1,6-2 |
| ITF M25 - Zaragoza | 2023/10/08 09:30 | Julio Cesar Porras v Felix Gill | 4-6,1-6 |
| Challenger - Brasilia | 2023/11/23 15:15 | Joao Fonseca v Roman Andres Burruchaga | 6-4,4-6,4-6 |
| Challenger - Brasilia | 2023/11/21 14:40 | Aleksandar Kovacevic v Joao Fonseca | 3-6,6-3,6-7 |
| ITF M15 - Saarlouis | 2023/06/24 11:00 | Joao Fonseca v Sander Jong | 4-6,3-6 |
| ITF M15 - Saarlouis | 2023/06/23 10:00 | Hazem Naw v Joao Fonseca | 6-7,5-7 |
| ITF M15 - Saarlouis | 2023/06/22 10:15 | Joao Fonseca v Collin Altamirano | 6-2,6-3 |
| ITF M15 - Saarlouis | 2023/06/20 16:00 | Joao Fonseca v Milan Welte | 7-5,7-5 |
| ITF M15 - Duffel | 2023/06/16 09:00 | Joao Fonseca v Buvaysar Gadamauri | 7-6,2-6,4-6 |
| ITF M15 - Duffel | 2023/06/15 13:35 | Marlon Vankan v Joao Fonseca | 4-6,4-6 |