Stadium: Centre Court Round: 25 Ground: Clay
| ITF M15 Lodz | 2021/08/21 08:00 | Gilbert S K Junior v Maciej Rajski | 4-6,6-7 |
| ITF M15 Lodz | 2021/08/20 10:15 | Daniel Michalski v Gilbert S K Junior | 6-4,3-6,3-6 |
| ITF M15 Lodz | 2021/08/19 10:00 | Tommaso Compagnucci v Gilbert S K Junior | 4-6,2-6 |
| ITF M15 Lodz | 2021/08/18 11:25 | Aristotelis Thanos v Gilbert S K Junior | 2-6,3-6 |
| ITF M15 Gdynia | 2021/08/12 09:25 | Gilbert S K Junior v Daniel De Jonge | 5-7,1-6 |
| ITF M15 Gdynia | 2021/08/11 09:40 | Antonin Bolardt v Gilbert S K Junior | 6-2,1-6,2-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/07 07:00 | Gilbert S K Junior v Toby Alex Kodat | 6-1,6-7,3-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 08:30 | Filip Peliwo v Gilbert S K Junior | 3-6,5-7 |
| UTR Pro Tennis Series Florida | 2021/08/24 15:00 | Kian Vakili v Mateo Barreiros Reyes | 6-7,7-5,3-6 |
| UTR Pro Tennis Series Florida | 2021/08/22 12:00 | Chase Ferguson v Mateo Barreiros Reyes | 6-0,3-6,5-3 |
| UTR Pro Tennis Series Florida | 2021/08/21 15:00 | Henry Lieberman v Mateo Barreiros Reyes | 5-7,2-6 |
| UTR Pro Tennis Series Florida | 2021/08/20 12:00 | Ivan Yatsuk v Mateo Barreiros Reyes | 0-6,6-3,3-6 |
| UTR Pro Tennis Series Florida | 2021/08/19 12:00 | Jake Van Emburgh v Mateo Barreiros Reyes | 6-2,6-4 |
| UTR Pro Tennis Series Florida | 2021/08/18 13:00 | Kyle Frankel v Mateo Barreiros Reyes | 6-3,2-6,6-6 |
| UTR Pro Tennis Series Florida | 2021/08/16 14:30 | Ignacio Buse v Mateo Barreiros Reyes | 3-6,6-7 |
| ITF M25 Guayaquil | 2021/08/02 14:00 | Mateo Barreiros Reyes v McClain Kessler | 4-6,6-3,8-10 |