Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Vejle | 2021/07/27 09:15 | Matias Zukas v Filip Bergevi | 6-2,6-2 |
| ITF M25 Velenje | 2021/07/08 08:00 | Alexander Shevchenko v Matias Zukas | 6-2,6-1 |
| ITF M25 Velenje | 2021/07/07 08:00 | Tom Kocevar-Desman v Matias Zukas | 5-7,0-6 |
| ITF M15 Antalya | 2021/06/29 06:30 | Billy Harris v Matias Zukas | 3-6,6-3,6-4 |
| ITF M15 Antalya | 2021/06/24 07:00 | Francisco Comesana v Matias Zukas | 6-0,6-2 |
| ITF M15 Antalya | 2021/06/23 09:55 | Patrik Rikl v Matias Zukas | 6-0,4-6,1-6 |
| ITF M15 Antalya | 2021/06/18 07:20 | Matias Zukas v Pawel Juszczak | 7-6,3-6,5-7 |
| ITF M15 Antalya | 2021/06/17 08:50 | Matias Zukas v Pietro Marino | 6-3,6-0 |
| ITF M15 Vejle | 2021/07/27 08:00 | Elmer Moller v Sandro Kopp | 0-6,5-7 |
| ITF M25 Kottingbrunn | 2021/07/22 08:00 | Giovanni Fonio v Sandro Kopp | 6-1,7-5 |
| ITF M25 Kottingbrunn | 2021/07/21 12:05 | Taiyo Yamanaka v Sandro Kopp | 1-6,2-6 |
| ITF M25 Telfs | 2021/07/16 09:30 | Gonzalo Lama v Sandro Kopp | 6-1,6-2 |
| ITF M25 Telfs | 2021/07/14 08:50 | Francisco Vittar v Sandro Kopp | 2-6,3-6 |
| ITF M15 Antalya | 2021/05/18 07:00 | Sandro Kopp v Thomas Deschamps | 6-1,5-7,13-15 |
| ITF M15 Antalya | 2021/05/17 07:00 | Sandro Kopp v Gabriel Roveri Sidney | 6-2,6-3 |
| ITF M15 Antalya | 2021/05/16 07:00 | Sandro Kopp v Arda Azkara | 6-4,6-1 |