Stadium: Court 1 Round: 27 Ground: Clay
| 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 | Pavlasek, Adam v Facundo Diaz Acosta | 2-6,3-6 |
| ITF M15 Valldoreix | 2021/05/15 09:00 | Lopez San Martin, Alvaro v Facundo Diaz Acosta | 4-6,7-5,7-6 |
| ITF M15 Valldoreix | 2021/05/14 11:10 | Facundo Diaz Acosta v Alex M Pujolras | 6-4,6-2 |
| ITF M15 Valldoreix | 2021/05/13 08:00 | Facundo Diaz Acosta v Johan Nikles | 6-4,6-2 |
| ITF M15 Valldoreix | 2021/05/12 08:00 | Facundo Diaz Acosta v Laurent, Thomas | 6-0,6-3 |
| ITF M25 Most | 2021/05/27 07:55 | Bolardt, Antonin v Eriksson, Markus | 6-4,6-4 |
| ITF M25 Most | 2021/05/26 09:35 | Bolardt, Antonin v Marek Gengel | 7-6,6-0 |
| ITF M25 Most | 2021/05/25 10:10 | Bolardt, Antonin v Beran, Jakub | 6-1,6-1 |
| ITF M25 Most | 2021/05/24 09:00 | Bolardt, Antonin v Mark Havlicek | 6-2,6-2 |
| ITF M25 Most | 2021/05/23 15:00 | Stepanek, Antonin v Bolardt, Antonin | 2-6,4-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 08:30 | Bolardt, Antonin v Filip Duda | 0-6,3-6 |
| ITF M25 Prague | 2021/05/10 10:30 | Bolardt, Antonin v Rikl, Patrik | 1-6,4-6 |
| ITF M25 Prague | 2021/05/09 12:30 | Krcma, Tomas v Bolardt, Antonin | 2-6,2-6 |