Stadium: Pista 9 Round: 62 Ground: Clay
| ITF M25 Reus | 2021/04/15 08:00 | Johan Nikles v Miguel Damas | 6-0,6-1 |
| ITF M25 Vic | 2021/05/17 09:00 | Johan Nikles v Maxime Mora | 6-2,6-2 |
| ITF M15 Valldoreix | 2021/05/13 08:00 | Facundo Diaz Acosta v Johan Nikles | 6-4,6-2 |
| ITF M15 Valldoreix | 2021/05/12 12:05 | Johan Nikles v Pol Toledo Bague | 6-4,1-6,6-3 |
| ITF M15 Majadahonda | 2021/05/09 10:00 | Nuno Borges v Johan Nikles | 4-6,3-6 |
| ITF M15 Majadahonda | 2021/05/08 09:45 | Oriol Roca Batalla v Johan Nikles | 6-3,4-6,3-6 |
| ITF M15 Majadahonda | 2021/05/07 08:30 | Johan Nikles v Pedro Vives Marcos | 6-0,4-6,7-6 |
| ITF M15 Majadahonda | 2021/05/05 07:00 | Luca Van Assche v Johan Nikles | 1-6,4-6 |
| ITF M15 LPD Gran Canaria | 2021/04/30 11:15 | Johan Nikles v Eduard Esteve Lobato | 3-6,2-6 |
| ITF M25 Vic | 2021/05/17 09:00 | Miguel Damas v Martin Damm | 6-3,6-7,10-6 |
| ITF M25 Vic | 2021/05/16 08:00 | Lawrence Bataljin v Miguel Damas | 2-6,3-6 |
| ITF M15 Valldoreix | 2021/05/12 11:30 | Miguel Damas v Oscar Jose Gutierrez | 4-6,6-7 |
| ITF M15 Valldoreix | 2021/05/11 08:00 | Roman Andres Burruchaga v Miguel Damas | 3-6,7-6,9-11 |
| ITF M15 Valldoreix | 2021/05/10 08:00 | Miguel Damas v Benjamin Pietri | 7-5,6-4 |
| ITF M15 Valldoreix | 2021/05/09 13:00 | Miguel Damas v Pablo Alemany | 6-1,3-6,10-8 |
| 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 | Arthur Reymond v Miguel Damas | 1-6,2-6 |