Stadium: Central Court (8) Round: 25 Ground: Clay
| ITF M25 Denia | 2021/07/28 14:00 | Facundo Diaz Acosta v Alejandro Gonzalez | 4-6,7-6,3-6 |
| Challenger Todi | 2021/07/12 18:30 | Pedro Cachin v Facundo Diaz Acosta | 6-3,6-4 |
| Challenger Braunschweig | 2021/07/04 11:10 | Mats Rosenkranz v Facundo Diaz Acosta | 3-6,7-6,7-6 |
| ITF M25 Most | 2021/05/29 08:30 | Facundo Diaz Acosta v Franco Agamenone | 4-6,3-6 |
| ITF M25 Most | 2021/05/27 10:25 | Antoine Escoffier v Facundo Diaz Acosta | 7-5,3-6,3-6 |
| ITF M25 Most | 2021/05/25 11:50 | Jiri Krouzek v Facundo Diaz Acosta | 4-6,3-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/20 08:00 | Facundo Diaz Acosta v Franco Agamenone | 3-6,7-6,6-7 |
| ITF M25 Jablonec Nad Nisou | 2021/05/19 07:55 | Adam Pavlasek v Facundo Diaz Acosta | 2-6,3-6 |
| Polish National Tour | 2021/07/10 09:30 | Maciej Rajski v Yann Wojcik | 6-3,6-3 |
| ITF M25 Wroclaw | 2021/06/29 08:00 | Yann Wojcik v Tomas Jirousek | 2-6,4-6 |
| ITF M25 Wroclaw | 2021/06/28 09:30 | Wilson Leite v Yann Wojcik | 5-7,7-5,8-10 |
| ITF M25 Wroclaw | 2021/06/27 12:30 | Yann Wojcik v Michal Mikula | 7-6,6-0 |
| ITF M15 Sarajevo | 2021/05/31 12:00 | Yann Wojcik v Amaury Raynel | 6-7,3-6 |
| ITF M15 Sarajevo | 2021/05/30 09:00 | Yann Wojcik v Milos Milakovic | 6-2,6-0 |
| ITF M25 Kiseljak | 2021/05/24 09:30 | Yann Wojcik v Elgin Khoeblal | 2-6,4-6 |
| ITF M25 Kiseljak | 2021/05/23 09:30 | Yann Wojcik v Moritz Trocker | 6-2,6-1 |