Stadium: Court 9 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Sintra | 2023/09/11 09:00 | Mackinlay, James v Zuckerman, Niv | 7-5,6-7,10-4 |
| ITF M25 Sintra | 2023/09/05 14:30 | Mackinlay, James v Telles, Leonardo | 1-6,0-6 |
| ITF M25 Sintra | 2023/09/03 08:00 | Mackinlay, James v Josh Reid | 6-1,6-3 |
| ITF - M25 Nottingham - Qualif. | 2023/04/24 10:20 | Murphy, Brandon v Mackinlay, James | 6-2,7-5 |
| ITF - M15 Monastir | 2023/04/03 15:00 | Mackinlay, James v Matteo De Vincentis | 2-6,0-6 |
| UK Pro League | 2023/03/11 11:45 | Liam Hignett v Mackinlay, James | 7-6,6-3 |
| UK Pro League | 2023/03/10 15:30 | Louis Bowden v Mackinlay, James | 6-2,6-3 |
| UK Pro League | 2023/03/09 15:30 | William Mclennaghan v Mackinlay, James | 6-1,4-6,4-10 |
| ITF M25 Sintra | 2023/09/05 14:30 | Goncalo Falcao v Almeida, Tomas | 6-4,6-1 |
| ITF M25 Sintra | 2023/09/03 08:00 | Almeida, Tomas v Tiago Boschmans | 6-4,3-6,10-8 |
| ITF M25 Idanha-A-Nova | 2023/08/27 10:00 | Almeida, Tomas v Loic N Tenguere | 3-6,3-6 |
| ITF M25 Idanha-A-Nova | 2023/08/23 13:10 | Almeida, Tomas v Dan Added | 2-6,3-6 |
| ITF M25 Idanha-A-Nova | 2023/08/21 08:00 | Ricardo Batista v Almeida, Tomas | 1-6,2-6 |
| ITF M25 Idanha-A-Nova | 2023/08/20 08:00 | Almeida, Tomas v Liborio, Pedro | 6-3,6-1 |
| ITF M25 Porto | 2023/07/23 12:00 | Almeida, Tomas v Thomas Mathys | 5-7,4-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/18 12:00 | Almeida, Tomas v Adam Heinonen | 2-6,4-6 |