Stadium: Pista 2 Round: 62 Ground: Clay
| ITF - M15 Majadahonda | 2021/05/05 11:55 | Max Alcala Gurri v Alex Rybakov | 0-6,4-6 |
| 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 - M15 Opatija | 2021/03/26 09:00 | Alex Rybakov v Giacomo Dambrosi | 2-6,6-3,2-6 |
| ITF - M25 Vic | 2021/05/16 08:00 | Julien Cagnina v Max Alcala Gurri | 6-7,7-6,1-10 |
| ITF - M15 Valldoreix | 2021/05/12 09:20 | Max Alcala Gurri v Maxime Hamou | 2-6,4-6 |
| ITF - M15 Majadahonda | 2021/05/05 11:55 | Max Alcala Gurri v Alex Rybakov | 0-6,4-6 |
| ITF - M15 Majadahonda | 2021/05/03 12:00 | Alexis Musialek v Max Alcala Gurri | 6-3,3-6,11-13 |
| ITF - M15 Majadahonda | 2021/05/02 16:15 | Max Alcala Gurri v Aaron Cohen | 6-3,6-1 |
| ITF - M25 Reus | 2021/04/14 11:25 | Max Alcala Gurri v Mathieu Perchicot | 2-6,3-6 |
| ITF - M25 Reus | 2021/04/13 07:30 | Max Alcala Gurri v Kuzey Cekirge | 3-6,6-2,12-10 |
| ITF - M25 Reus | 2021/04/12 07:30 | Jordi Mas De Ugarte v Max Alcala Gurri | 4-6,7-6,6-10 |