Stadium: Court 6 Round: 27 Ground: Clay
| ITF M25 Ricany | 2021/09/02 09:35 | Kaichi Uchida v Stanek, Robin | 5-7,3-6 |
| ITF M25 Ricany | 2021/09/01 08:00 | Matyas Cerny v Stanek, Robin | 7-6,3-6,1-6 |
| ITF M15 Bratislava | 2021/08/26 08:00 | Stanek, Robin v Stefan Palosi | 3-6,3-6 |
| ITF M15 Bratislava | 2021/08/25 12:45 | Stanek, Robin v Adria Soriano Barrera | 6-4,6-3 |
| ITF M15 Bratislava | 2021/08/20 09:00 | Liska, Tomas v Stanek, Robin | 7-6,6-3 |
| ITF M15 Bratislava | 2021/08/19 10:15 | Stanek, Robin v Minin, Matvey | 6-4,6-4 |
| ITF M15 Bratislava | 2021/08/18 08:00 | Stanek, Robin v Lukas Palovic | 7-6,6-1 |
| ITF M15 Skopje | 2021/06/01 11:00 | Stanek, Robin v Alexis Gautier | 4-6,6-7 |
| ITF M25 Ricany | 2021/09/02 09:45 | Bolardt, Antonin v Facundo Diaz Acosta | 2-6,3-6 |
| ITF M25 Ricany | 2021/09/01 11:40 | Bergevi, Filip v Facundo Diaz Acosta | 3-6,4-6 |
| Challenger - Prague | 2021/08/26 08:30 | Facundo Diaz Acosta v Ryan Peniston | 3-6,1-6 |
| Challenger - Prague | 2021/08/25 08:00 | Matija Pecotic v Facundo Diaz Acosta | 3-6,6-7 |
| Challenger - Prague | 2021/08/24 10:25 | Facundo Diaz Acosta v Donati, Matteo | 6-1,6-3 |
| Challenger - Prague | 2021/08/23 11:00 | Cacao, Tiago v Facundo Diaz Acosta | 4-6,0-6 |
| Challenger - Prague | 2021/08/22 12:00 | Alexander Donski v Facundo Diaz Acosta | 6-4,2-6,5-7 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/21 07:50 | Facundo Diaz Acosta v Nikolas Sanchez Izquierdo | 4-6,6-1,4-6 |