Stadium: Centre Court 14 Round: 62 Ground: Clay
| ITF M15 Majadahonda | 2021/05/03 10:45 | Miguel Damas v Niels Visker | 4-6,3-6 |
| ITF M15 Majadahonda | 2021/05/02 13:15 | Niels Visker v Vicente O Moratalla | 6-2,6-4 |
| ITF M25 Meerbusch | 2021/04/15 11:55 | Elmar Ejupovic v Niels Visker | 6-2,6-3 |
| ITF M25 Meerbusch | 2021/04/14 10:00 | Louis Wessels v Niels Visker | 2-6,2-6 |
| ITF M25 Meerbusch | 2021/04/13 09:30 | Mark Owen Endler v Niels Visker | 1-6,2-6 |
| ITF M25 Meerbusch | 2021/04/12 10:00 | Floris Podzimek v Niels Visker | 3-6,2-6 |
| ITF M25 Meerbusch | 2021/04/11 14:00 | Tommaso Compagnucci v Niels Visker | 3-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/03/17 08:40 | Niels Visker v Mikolaj Lorens | 5-7,4-6 |
| ITF M15 Majadahonda | 2021/05/03 10:45 | Luis Diego Chavez Villalpando v Remy Bertola | 0-6,4-6 |
| ITF M15 Monastir | 2021/04/30 11:55 | Yuta Kawahashi v Remy Bertola | 6-4,6-1 |
| ITF M15 Monastir | 2021/04/29 11:20 | Remy Bertola v Oscar Jose Gutierrez | 6-7,7-6,6-2 |
| ITF M15 Monastir | 2021/04/28 10:50 | Mehdi Benchakroun v Remy Bertola | 2-6,2-6 |
| ITF M15 Monastir | 2021/04/26 12:30 | Remy Bertola v Harry Wendelken | 6-4,3-6,10-5 |
| ITF M15 Monastir | 2021/04/26 08:00 | Remy Bertola v Gabriele Datei | 6-3,6-3 |
| ITF M15 Monastir | 2021/04/25 09:00 | Remy Bertola v Jason Janis | 6-0,6-1 |
| ITF M15 Monastir | 2021/04/20 10:30 | Remy Bertola v Iiro Vasa | 2-6,6-4,8-10 |