| UTR Pro Tennis Series California | 2021/07/27 18:00 | Jett Middleton v Alexander Stater | 4-6,4-5 |
| UTR Pro Tennis Series California | 2021/07/26 15:00 | Alexander Stater v Ishaan Ravichander | 3-6,6-2,5-7 |
| UTR Pro Tennis Series Nevada | 2021/06/23 16:30 | Alexander Stater v Alfredo Perez | 7-6,0-6,4-5 |
| UTR Pro Tennis Series Nevada | 2021/06/22 18:00 | Alexander Stater v Nicolas Barrientos | 6-7,6-1,3-6 |
| UTR Pro Tennis Series Nevada | 2021/06/21 15:00 | Nicholas Heng v Alexander Stater | 0-6,6-3,6-3 |
| UTR Pro Tennis Series California | 2021/05/30 18:35 | Connor Farren v Alexander Stater | 7-5,6-4 |
| UTR Pro Tennis Series California | 2021/05/29 16:30 | Rohan Murali v Alexander Stater | 2-4 |
| UTR Pro Tennis Series California | 2021/05/28 18:00 | Julian Steinhausen v Alexander Stater | 6-3,2-6,2-5 |
| ITF M25 Most | 2021/05/24 09:00 | Zdenek Derkas v Lucas Bouquet | 1-6,1-6 |
| ITF M25 Most | 2021/05/23 14:00 | Leon Hoeveler v Zdenek Derkas | 4-6,1-6 |
| ITF M25 Poznan | 2020/08/24 11:00 | Filip Kolasinski v Zdenek Derkas | 6-0,6-0 |
| ITF M25 Poznan | 2020/08/23 09:30 | Zdenek Derkas v Piotr Galus | 6-4,6-4 |
| ITF M15 Piestany | 2019/07/17 10:30 | Marek Semjan v Zdenek Derkas | 6-3,7-6 |
| ITF M15 Piestany | 2019/07/16 07:00 | Zdenek Derkas v Jim Walder | 7-5,6-1 |
| ITF M15 Piestany | 2019/07/15 07:00 | Roman Boychuk v Zdenek Derkas | 6-7,3-6 |
| ITF M25 Most | 2019/05/29 11:35 | Tadeas Paroulek v Zdenek Derkas | 6-1,6-2 |