Stadium: Court 6 Round: 25 Ground: Clay
| 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 M15 Grenoble | 2021/02/09 10:55 | Johan Nikles v Joshua D Karpenschif | 0-6,6-2,6-4 |
| ITF M25 La Nucia | 2021/03/15 11:00 | Imanol L Morillo v Jordi Garcia Mestre | 6-2,6-0 |
| ITF M15 La Nucia | 2021/03/09 16:30 | Jordi Garcia Mestre v Markus Eriksson | 3-6,4-6 |
| ITF M15 Reus | 2019/04/08 08:30 | Jordi Garcia Mestre v Patrick Mayer | 3-6,0-6 |
| ITF Spain F7 | 2018/03/16 12:00 | Jordi Garcia Mestre v Daniel Querol Cherigny | 3-6,0-6 |