Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/03/16 09:20 | Niels Visker v Maik Steiner | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2021/03/15 07:30 | Niels Visker v Ondrej Horak | 6-7,7-6,13-11 |
| ITF M15 Sharm El Sheikh | 2021/03/11 10:40 | Petros Chrysochos v Niels Visker | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2021/03/10 13:45 | Makoto Ochi v Niels Visker | 6-4,3-6,6-7 |
| ITF M15 Sharm El Sheikh | 2021/03/09 09:45 | Petr Michnev v Niels Visker | 3-6,6-2,5-10 |
| ITF M15 Sharm El Sheikh | 2021/03/08 07:30 | Daniel Little v Niels Visker | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/07 11:00 | Ignacio B Alia v Niels Visker | 1-6,2-6 |
| ITF M15 Antalya | 2021/02/02 11:00 | Gabriele Maria Noce v Niels Visker | 6-2,3-6,11-9 |
| ITF M15 Antalya | 2021/03/10 13:35 | Jeroen Vanneste v Mikolaj Lorens | 7-6,6-3 |
| ITF M15 Nur-Sultan | 2021/02/10 06:55 | Mikolaj Lorens v Riccardo Balzerani | 1-6,1-6 |
| ITF M15 Nur-Sultan | 2021/02/03 04:00 | Mikolaj Lorens v Timur Khabibulin | 6-7,1-6 |
| ITF M15 Cairo | 2021/01/25 08:00 | Mikolaj Lorens v Luca Tomasetto | 0-6,3-6 |
| ITF M15 Cairo | 2021/01/24 09:30 | Lukas Neumayer v Mikolaj Lorens | 4-6,6-1,5-10 |
| ITF M15 Cairo | 2021/01/17 10:00 | Alejo Lorenzo Lingua Lavallen v Mikolaj Lorens | 7-6,6-1 |
| ITF M15 Cairo | 2021/01/14 10:00 | Mikolaj Lorens v Mathieu Perchicot | 3-6,7-5,0-6 |
| ITF M15 Cairo | 2021/01/08 09:30 | Simone Roncalli v Mikolaj Lorens | 6-2,6-2 |