Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2024/04/15 08:30 | Tsihon Fedorov v Nikolai Marin | 6-2,6-1 |
| ITF M25 Edgbaston | 2023/10/15 12:45 | Tiran Sanghera v Nikolai Marin | 6-1,6-1 |
| ITF M25 Sintra | 2023/09/11 09:00 | Nikolai Marin v Stefan Cooper | 3-6,1-6 |
| ITF M25 Sintra | 2023/09/10 16:30 | Nikolai Marin v Aditya Katticaren | 6-1,6-0 |
| UK Pro League | 2023/06/02 10:30 | Alexis Canter v Nikolai Marin | 6-0,6-2 |
| UK Pro League | 2023/06/01 11:30 | Robert Cowley v Nikolai Marin | 6-3,6-2 |
| UK Pro League | 2023/05/31 13:00 | Oscar Wai v Nikolai Marin | 6-3,6-4 |
| UK Pro League | 2023/05/30 12:00 | Nikolai Marin v Ryan James Storrie | 0-6,1-6 |
| ITF M15 Monastir | 2024/04/15 12:30 | Diogo Marques v Alexey Nesterov | 2-6,4-6 |
| ITF M15 Monastir | 2024/04/15 08:30 | Pablo Trochu v Diogo Marques | 4-6,6-2,7-10 |
| ITF M15 Monastir | 2024/04/14 08:30 | Diogo Marques v Leo Deflandre | 6-3,6-2 |
| ITF M25 Loule | 2024/03/20 12:40 | Diogo Marques v Salvatore Caruso | 2-6,6-1,5-7 |
| ITF M25 Loule | 2024/03/19 12:50 | Goncalo Falcao v Diogo Marques | 2-6,2-6 |
| ITF M25 Loule | 2024/03/18 11:00 | Mason Dace v Diogo Marques | 1-6,1-6 |
| ITF M25 Vale Do Lobo | 2024/03/11 14:30 | Francisco Rocha v Diogo Marques | 6-4,6-2 |
| ITF M25 Vale Do Lobo | 2024/03/11 10:00 | Diogo Marques v Martim Simoes | 6-4,6-0 |