Stadium: Show Court Round: 54 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2024/04/28 08:30 | Venedikt Tsirikidze v Nikolai Marin | 6-1,7-5 |
| ITF M15 Monastir | 2024/04/21 08:00 | Nikolai Marin v Diogo Marques | 1-6,2-6 |
| ITF M15 Monastir | 2024/04/15 08:30 | Tsihon Fedorov v Nikolai Marin | 6-2,6-1 |
| ITF M15 Monastir | 2024/04/14 08:30 | Nikolai Marin v Strahinja Cejovic | 6-0,6-4 |
| 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 |