Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Champaign | 2021/09/16 15:00 | John McNally v Yasha Zemel | 6-3,7-6 |
| ITF M15 Champaign | 2021/09/15 17:45 | Yasha Zemel v Victor Lilov | 1-6,7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/20 08:00 | Yasha Zemel v Alejandro Moro Canas | 0-6,5-7 |
| ITF M25 Idanha-A-Nova | 2021/07/19 08:00 | Yasha Zemel v Manuel Almeida | 6-2,7-6 |
| ITF M25 Idanha-A-Nova | 2021/07/18 08:00 | Yasha Zemel v Digvijay Pratap Singh | 6-3,3-6,14-12 |
| ITF M25 Idanha-A-Nova | 2021/07/14 13:55 | Luis Faria v Yasha Zemel | 6-1,6-2 |
| ITF M25 Idanha-A-Nova | 2021/07/13 08:00 | Yasha Zemel v Osgar O'Hoisin | 6-4,4-6,12-10 |
| ITF M25 Idanha-A-Nova | 2021/07/12 10:30 | Yasha Zemel v Ivan Zaytsev | 6-3,6-3 |
| ITF M15 Cancun | 2021/09/29 17:35 | Alfredo Perez v Colin Markes | 6-2,7-5 |
| ITF M15 Cancun | 2021/09/28 14:00 | Gabriel Roveri Sidney v Colin Markes | 1-6,4-6 |
| ITF M15 Cancun | 2021/09/27 14:30 | Colin Markes v Austin Ansari | 4-6,4-6 |
| ITF M15 Cancun | 2021/09/26 17:00 | Diego Bustamante v Colin Markes | 1-6,0-6 |
| ITF M15 Cancun | 2021/09/22 15:55 | Colin Markes v Christian Langmo | 6-7,6-4,2-6 |
| ITF M15 Cancun | 2021/09/21 14:00 | Colin Markes v Nikolas Moceanu | 6-3,6-2 |
| ITF M15 Cancun | 2021/09/20 14:00 | Colin Markes v Lance A L Castelan | 6-2,6-1 |
| ITF M15 Cancun | 2021/09/19 14:00 | Colin Markes v Enzo Frances Tessari | 6-1,6-3 |