Stadium: Quadra 4 Round: 14 Ground: Clay
| Challenger Brasilia | 2021/11/21 13:00 | Merino, Alexander v Jose Pereira | 1-6,2-6 |
| Ambato, Ecuador | 2021/09/19 19:00 | Alexis Gautier v Merino, Alexander | 6-3,6-1 |
| Challenger Seville | 2021/09/05 09:00 | Merino, Alexander v Benjamin Winter Lopez | 4-6,1-6 |
| ITF M25 Lima | 2020/02/10 15:00 | Zukas, Matias v Merino, Alexander | 6-4,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/01 13:00 | Pontoglio, Davide v Merino, Alexander | 6-0,3-6,10-1 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/01 08:00 | Sigurdsson, Egill v Merino, Alexander | 2-6,6-4,8-10 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/06/24 08:00 | Alessandro Ingarao v Merino, Alexander | 6-3,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/06/17 10:00 | Merino, Alexander v Jotovski, Tomislav | 2-6,4-6 |
| Challenger - Buenos Aires | 2022/01/03 13:00 | Conner Huertas Del Pino v Murkel Dellien | 3-6,3-6 |
| ITF M15 Cancun | 2021/12/16 17:00 | Conner Huertas Del Pino v Evan Zhu | 3-6,6-3,4-6 |
| ITF M15 Cancun | 2021/12/15 14:30 | Conner Huertas Del Pino v Scott, Fletcher | 6-1,6-3 |
| ITF M15 Cancun | 2021/12/08 14:00 | Ezekiel Clark v Conner Huertas Del Pino | 7-6,6-3 |
| ITF M15 Cancun | 2021/12/04 14:00 | Kiranpal Pannu v Conner Huertas Del Pino | 7-5,4-6,10-7 |
| ITF M15 Cancun | 2021/12/03 15:30 | Giles Hussey v Conner Huertas Del Pino | 0-6,4-6 |
| Coupe Davis | 2021/11/27 11:35 | Marius Copil v Conner Huertas Del Pino | 7-5,6-2 |
| ITF M25 Aparecida De Goiania | 2021/11/11 16:25 | Conner Huertas Del Pino v Gustavo Heide | 6-7,1-6 |