Stadium: Pista 10 Round: 62 Ground: Clay
| ITF M25 Vic | 2021/05/17 09:00 | Alex Rybakov v Max Alcala Gurri | 6-2,7-5 |
| ITF M15 Valldoreix | 2021/05/11 11:00 | Alex Rybakov v Martin Cuevas | 5-7,3-6 |
| ITF M15 Majadahonda | 2021/05/07 11:35 | Matteo Martineau v Alex Rybakov | 6-4,5-7,7-6 |
| ITF M15 Majadahonda | 2021/05/06 10:45 | Alex Rybakov v Daniel Rincon | 6-4,6-3 |
| ITF M15 Majadahonda | 2021/05/05 11:55 | Max Alcala Gurri v Alex Rybakov | 0-6,4-6 |
| Challenger Tallahassee | 2021/04/20 23:20 | Alex Rybakov v Denis Kudla | 6-3,5-7,1-6 |
| Challenger Tallahassee | 2021/04/19 15:00 | Orlando Luz v Alex Rybakov | 2-6,3-6 |
| Challenger Tallahassee | 2021/04/18 21:40 | Alex Rybakov v Michael Geerts | 7-6,7-6 |
| ITF M25 Vic | 2021/05/16 08:00 | Lluc Mir Anglada v Pedro Vives Marcos | 3-6,0-6 |
| ITF M15 Valldoreix | 2021/05/10 10:00 | Pedro Vives Marcos v Juan Bautista Otegui | 6-2,3-6,1-10 |
| ITF M15 Valldoreix | 2021/05/09 12:00 | Pedro Vives Marcos v Luis Diego Chavez Villalpando | 6-4,6-4 |
| ITF M15 Majadahonda | 2021/05/07 08:30 | Johan Nikles v Pedro Vives Marcos | 6-0,4-6,7-6 |
| ITF M15 Majadahonda | 2021/05/06 10:30 | Pedro Vives Marcos v Nicolas Alvarez Varona | 6-3,6-7,6-4 |
| ITF M15 Majadahonda | 2021/05/05 11:30 | Pol Toledo Bague v Pedro Vives Marcos | 4-6,2-6 |
| ITF M15 Majadahonda | 2021/05/03 14:30 | Pedro Vives Marcos v Emilien Voisin | 6-4,7-5 |
| ITF M15 Majadahonda | 2021/05/03 10:45 | Pedro Vives Marcos v Simon Beaupain | 6-4,6-1 |