Stadium: Stadium Round: 25 Ground: Hardcourt outdoor
| ITF M15 Santo Domingo | 2021/11/30 17:30 | Perez, Alfredo v Rowland Phillips | 6-7,6-1,4-6 |
| ITF M25 Austin | 2021/11/16 20:00 | Christian Langmo v Perez, Alfredo | 6-2,6-4 |
| ITF M25 Harlingen | 2021/11/11 16:00 | Perez, Alfredo v Kodat, Toby Alex | 5-7,4-6 |
| ITF M25 Harlingen | 2021/11/10 17:55 | Perez, Alfredo v Matthew Dellavedova | 6-4,6-0 |
| ITF M15 Fayetteville | 2021/11/07 15:55 | Perez, Alfredo v Patten, Henry | 6-7,3-6 |
| ITF M15 Fayetteville | 2021/11/06 15:00 | Keegan Smith v Perez, Alfredo | 6-4,1-6,2-6 |
| ITF M15 Fayetteville | 2021/11/05 15:00 | Paroulek, Tadeas v Perez, Alfredo | 3-6,2-6 |
| ITF M15 Fayetteville | 2021/11/04 16:30 | Alexandre Reco v Perez, Alfredo | 0-6,1-6 |
| ITF M15 Santo Domingo | 2021/12/01 16:50 | Zemel, Yankel v Colin Markes | 3-6,4-6 |
| ITF M15 East Lansing | 2021/11/16 18:00 | Sarmiento, Raymond v Zemel, Yankel | 6-3,6-4 |
| ITF M15 Tallahassee | 2021/10/25 13:00 | Zemel, Yankel v Michael Zheng | 3-6,4-6 |
| ITF M15 Champaign | 2021/09/16 15:00 | Mcnally, John v Zemel, Yankel | 6-3,7-6 |
| ITF M15 Champaign | 2021/09/15 17:45 | Zemel, Yankel v Victor Lilov | 1-6,7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/20 08:00 | Zemel, Yankel v Alejandro Moro Canas | 0-6,5-7 |
| ITF M25 Idanha-A-Nova | 2021/07/19 08:00 | Zemel, Yankel v Almeida, Manuel | 6-2,7-6 |
| ITF M25 Idanha-A-Nova | 2021/07/18 08:00 | Zemel, Yankel v Singh, Digvijaypratap | 6-3,3-6,14-12 |