Stadium: Court 12 Round: 25 Ground: Clay
| 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 |
| ITF M15 Antalya | 2021/03/29 07:00 | Max Alcala Gurri v Taiyo Yamanaka | 6-3,3-6,9-11 |
| ITF M15 Antalya | 2021/03/28 06:30 | Antonio Massara v Max Alcala Gurri | 2-6,2-6 |
| ITF M15 Antalya | 2021/03/25 07:00 | Miljan Zekic v Max Alcala Gurri | 6-4,6-3 |
| 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 M15 Opatija | 2021/03/25 11:50 | Alex Rybakov v Francesco Maestrelli | 6-3,7-5 |
| ITF M15 Opatija | 2021/03/24 10:30 | Alex Rybakov v Fermin Tenti | 7-6,6-2 |
| ITF M15 Rovinj | 2021/03/18 10:30 | Alex Rybakov v Andrea Basso | 6-1,2-6,5-7 |
| ITF M15 Rovinj | 2021/03/17 09:00 | Alex Rybakov v Gergely Madarasz | 6-2,6-3 |