Stadium: Cancha La Aficion Round: 25 Ground: Hardcourt outdoor
| Challenger - Murcia | 2021/09/30 10:30 | Roberto Carballes Baena v Alex Rybakov | 6-2,6-2 |
| Challenger - Murcia | 2021/09/28 11:15 | Daniel Rincon v Alex Rybakov | 3-6,2-6 |
| Challenger - Murcia | 2021/09/27 09:00 | Alex Rybakov v Carlos Sanchez Jover | 6-3,6-1 |
| Challenger - Murcia | 2021/09/26 09:00 | Alex Rybakov v Davide Galoppini | 6-1,7-5 |
| Challenger - Braga | 2021/09/21 12:10 | Andrea Collarini v Alex Rybakov | 6-2,6-2 |
| Challenger - Braga | 2021/09/20 11:25 | Kaichi Uchida v Alex Rybakov | 6-3,7-5 |
| Challenger - Braga | 2021/09/19 13:30 | Jeroen Vanneste v Alex Rybakov | 2-6,0-6 |
| Challenger - Štetín | 2021/09/16 17:00 | Nicola Kuhn v Alex Rybakov | 6-2,6-2 |
| Challenger - Puerto Vallarta | 2021/11/22 21:00 | Luis Patino v Alex Hernandez | 7-6,4-6,2-6 |
| Challenger - Puerto Vallarta | 2021/11/21 19:30 | Pedro Vives Marcos v Alex Hernandez | 4-6,6-4,3-6 |
| ITF - M15 Cancun | 2021/09/29 16:10 | Alex Hernandez v Jaimee Floyd Angele | 6-3,6-7,2-6 |
| ITF - M25 Portoviejo | 2021/07/27 16:05 | Alex Hernandez v Jorge Panta | 7-6,6-4 |
| ITF - M25 Weston | 2021/06/29 22:45 | Alex Hernandez v Murkel Dellien | 1-6,6-1,9-11 |
| ITF - M25 Weston | 2021/06/28 19:00 | Alex Hernandez v Nicholas Bybel | 6-3,6-1 |
| ITF - M25 Santo Domingo | 2021/06/10 14:30 | Jorge Panta v Alex Hernandez | 2-6,6-7 |
| ITF - M25 Santo Domingo | 2021/06/07 16:30 | Alex Hernandez v Manuel Montoya Zuluaga | 6-0,6-1 |