Stadium: Court 2 Round: 28 Ground: Clay
| ITF M15 - Monastir | 2020/12/05 08:30 | Ergi Kirkin v Matias Zukas | 6-4,4-6,6-4 |
| ITF M15 - Antalya | 2019/05/24 10:05 | Ergi Kirkin v Matias Zukas | 6-4,6-2 |
| ITF M15 - Vejle | 2021/07/30 13:00 | Ergi Kirkin v Karl Friberg | 6-3,6-0 |
| ITF M15 - Vejle | 2021/07/30 08:00 | Ergi Kirkin v Alexander Kotzen | 6-2,6-3 |
| ITF M15 - Vejle | 2021/07/28 10:25 | Ergi Kirkin v Andrea Del Federico | 3-6,6-2,6-2 |
| Challenger - Nur-Sultan | 2021/07/20 09:10 | Ergi Kirkin v Ryan Peniston | 2-6,3-6 |
| Challenger - Nur-Sultan | 2021/07/19 06:10 | Ergi Kirkin v Benjamin Lock | 5-7,7-6,3-6 |
| Challenger - Nur-Sultan | 2021/07/12 04:00 | Ergi Kirkin v Oleksii Krutykh | 1-6,6-7 |
| Challenger - Nur-Sultan | 2021/07/11 04:00 | Ergi Kirkin v Timur Mukhtarulin | 6-2,6-0 |
| ITF M25 - Alkmaar | 2021/06/23 11:15 | Ergi Kirkin v Marko Tepavac | 4-6,3-6 |
| ITF M15 - Vejle | 2021/07/29 08:00 | Matias Zukas v Sandro Kopp | 6-3,6-1 |
| 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 |