Stadium: Court 1 Round: 29 Ground: Clay
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/20 10:00 | Facundo Diaz Acosta v Dalibor Svrcina | 6-3,6-3 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/19 11:15 | Lucas Miedler v Facundo Diaz Acosta | 1-6,2-6 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/18 09:45 | Jiri Jenicek v Facundo Diaz Acosta | 0-6,0-6 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/17 10:30 | Victor Sklenka v Facundo Diaz Acosta | 0-6,0-6 |
| Challenger - Prague | 2021/08/09 09:55 | Adrian Andreev v Facundo Diaz Acosta | 2-6,6-4,6-3 |
| Challenger - Prague | 2021/08/08 12:00 | Facundo Diaz Acosta v Matija Pecotic | 7-6,6-1 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 14:40 | Facundo Diaz Acosta v Maciej Rajski | 6-4,1-6,4-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/03 10:30 | Facundo Diaz Acosta v Wojcik, Yann | 6-3,7-6 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/20 08:00 | Nikolas Sanchez Izquierdo v Alex Rybakov | 6-3,6-2 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/19 10:10 | Zsombor Piros v Nikolas Sanchez Izquierdo | 6-4,6-7,2-6 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/18 08:00 | Martin Krumich v Nikolas Sanchez Izquierdo | 0-6,2-6 |
| Prostejov, Singles M-ITF-CZE-04A | 2021/08/17 10:35 | Panik, Matej v Nikolas Sanchez Izquierdo | 0-6,2-6 |
| San Marino, San Marino | 2021/08/09 12:45 | Orlando Luz v Nikolas Sanchez Izquierdo | 6-1,6-7,6-2 |
| San Marino, San Marino | 2021/08/08 12:10 | Matteo Arnaldi v Nikolas Sanchez Izquierdo | 1-6,6-4,3-6 |
| Cordenons, Italy | 2021/08/01 13:35 | Forti, Francesco v Nikolas Sanchez Izquierdo | 7-6,2-6,6-3 |
| Segovia, Spain | 2021/07/27 16:35 | Lopez, Feliciano v Nikolas Sanchez Izquierdo | 6-4,7-6 |