Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Tulsa | 2021/06/15 15:50 | Noah Schachter v Ezekiel Clark | 1-6,2-6 |
| ITF M25 Tulsa | 2021/06/14 22:00 | Benjamin Kittay v Ezekiel Clark | 6-4,1-6,4-10 |
| ITF M25 Wichita | 2021/06/10 19:40 | Felix Corwin v Ezekiel Clark | 3-6,6-3,6-3 |
| ITF M25 Wichita | 2021/06/09 23:00 | Ezekiel Clark v Samuel Beren | 6-4,6-2 |
| ITF M15 Santo Domingo | 2020/12/11 13:30 | Nick Chappell v Ezekiel Clark | 6-3,2-6,6-1 |
| ITF M15 Santo Domingo | 2020/12/10 13:30 | Ezekiel Clark v Jose Olivares | 6-3,6-2 |
| ITF M15 Santo Domingo | 2020/12/08 17:25 | Conner Huertas Del Pino v Ezekiel Clark | 4-6,0-6 |
| ITF M15 Santo Domingo | 2020/12/01 16:30 | Keegan Smith v Ezekiel Clark | 6-4,6-4 |
| Challenger Orlando | 2021/06/07 14:00 | Nicolas Mejia v Nicolas Alvarez | 6-3,7-5 |
| Challenger Orlando | 2021/06/06 16:20 | Strong Kirchheimer v Nicolas Alvarez | 3-6,5-7 |
| Challenger Oeiras | 2021/05/23 11:35 | Nicolas Alvarez v Timofey Skatov | 3-6,2-6 |
| ITF M25 Vic | 2021/05/18 09:50 | Nicolas Alvarez v Maxime Hamou | 6-4,0-6,6-7 |
| ITF M25 Praha | 2021/05/09 13:30 | Nicolas Alvarez v Milos Karol | 3-6,4-6 |
| Challenger Salinas 2 | 2021/04/27 14:30 | Nicolas Alvarez v Tak Khunn Wang | 6-7,4-6 |
| Challenger Salinas 2 | 2021/04/26 18:00 | Nicolas Alvarez v Yusuke Takahashi | 7-6,6-0 |
| Challenger - Salinas | 2021/04/19 17:55 | Nicolas Alvarez v Nicolas Jarry | 1-6,1-6 |