Stadium: Court 4 Round: 44 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2020/09/21 09:15 | Johan Nikles v Filip Duda | 4-6,6-2,10-6 |
| ITF M25 Prague | 2020/09/14 09:00 | Dominik Kellovsky v Johan Nikles | 6-4,6-3 |
| ITF M25 Prague | 2020/09/13 13:30 | Erhardt, Gaston v Johan Nikles | 0-6,2-6 |
| Swiss Tennis Masters | 2020/07/08 15:15 | Marc-Andrea Huesler v Johan Nikles | 6-2,6-2 |
| Swiss Tennis Masters | 2020/07/08 10:00 | Antoine Bellier v Johan Nikles | 3-6,5-7 |
| Swiss Tennis Masters | 2020/07/07 12:30 | Yannik Steinegger v Johan Nikles | 3-6,2-6 |
| Swiss Tennis Masters | 2020/07/05 12:30 | Johan Nikles v Baltensperger, Raphael | 6-1,6-3 |
| ITF - M25 Naples | 2020/02/13 17:10 | Gonzalez, Alejandro v Johan Nikles | 6-4,2-6,6-1 |
| ITF M25 Jablonec Nad Nisou | 2020/09/21 11:00 | Stepan Pecak v Zukas, Matias | 6-7,3-6 |
| ITF M25 Jablonec Nad Nisou | 2020/09/20 12:00 | Brutscher, Tobias v Zukas, Matias | 2-6,1-6 |
| ITF M15 Alkmaar | 2020/08/26 11:25 | Mats Rosenkranz v Zukas, Matias | 6-2,6-3 |
| German Premier League | 2020/08/07 15:15 | Mannapov, Alexander v Zukas, Matias | 2-6,6-2,1-6 |
| German Premier League | 2020/08/06 09:20 | Quentin Folliot v Zukas, Matias | 2-6,0-6 |
| German Premier League | 2020/08/05 14:05 | Oscar Otte v Zukas, Matias | 7-5,6-2 |
| German Premier League | 2020/08/04 09:15 | Alexey Vatutin v Zukas, Matias | 6-1,6-2 |
| German Premier League | 2020/08/03 11:30 | Netuschil, Marvin v Zukas, Matias | 4-6,7-6,0-6 |