Stadium: Court 7 Round: 26 Ground: Clay
| ITF M25 Reus | 2021/04/13 09:05 | Johan Nikles v Jordi Garcia Mestre | 6-2,6-2 |
| ITF M25 Biel | 2021/03/30 13:10 | Johan Nikles v Dan Added | 2-6,6-3,1-6 |
| Challenger Lugano | 2021/03/22 09:30 | Johan Nikles v Vitaliy Sachko | 2-6,5-7 |
| Challenger Lugano | 2021/03/21 09:00 | Jesper De Jong v Johan Nikles | 6-0,4-6,4-6 |
| Challenger Biella Qual | 2021/03/14 12:40 | Johan Nikles v Jack Sock | 7-6,3-6,1-6 |
| ITF M25 Vale Do Lobo | 2021/03/10 11:40 | Maximilian Neuchrist v Johan Nikles | 3-6,7-5,6-0 |
| ITF M25 Faro | 2021/03/03 09:30 | Johan Nikles v Maxime Hamou | 6-2,6-7,5-7 |
| ITF M15 Grenoble | 2021/02/11 11:20 | Johan Nikles v Arthur Reymond | 6-7,6-3,3-6 |
| ITF M25 Reus | 2021/04/14 08:00 | Miguel Damas v Timofey Skatov | 6-7,6-4,7-5 |
| ITF M25 Reus | 2021/04/13 09:20 | Titouan Droguet v Miguel Damas | 6-0,6-7,8-10 |
| ITF M25 Reus | 2021/04/12 07:30 | Miguel Damas v Florent Bax | 6-3,6-4 |
| ITF M25 Reus | 2021/04/11 11:00 | Bradley Paliska v Miguel Damas | 7-5,3-6,9-11 |
| ITF M25 La Nucia | 2021/03/17 08:50 | Miguel Damas v Pablo Llamas Ruiz | 2-6,6-2,3-6 |
| ITF M25 La Nucia | 2021/03/16 08:30 | Max Alcala Gurri v Miguel Damas | 2-6,6-1,4-10 |
| ITF M25 La Nucia | 2021/03/15 08:30 | Juan C Garcia Garcia v Miguel Damas | 3-6,5-7 |
| ITF M15 La Nucia | 2021/03/10 12:42 | Miguel Damas v Nathan Seateun | 3-6,1-6 |