Stadium: Court 2 Opatija Round: 25 Ground: Clay
| ITF M15 Porec | 2021/03/11 11:20 | Fermin Tenti v Alex Rybakov | 1-6,2-6 |
| 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 |
| ITF M15 Porec | 2021/03/13 09:00 | Filip Misolic v Alex Rybakov | 1-6,6-4,6-3 |
| ITF M15 Porec | 2021/03/12 09:00 | Sebastian Prechtel v Alex Rybakov | 2-6,2-6 |
| ITF M15 Porec | 2021/03/11 11:20 | Fermin Tenti v Alex Rybakov | 1-6,2-6 |
| ITF M15 Porec | 2021/03/10 10:50 | Mauro De Maio v Alex Rybakov | 4-6,2-6 |
| ITF M25 Naples | 2021/02/17 17:25 | Christian Harrison v Alex Rybakov | 6-3,6-3 |
| ITF M15 Antalya | 2021/02/03 11:40 | Nuno Borges v Alex Rybakov | 6-2,6-1 |
| ITF M15 Rovinj | 2021/03/17 10:35 | Fermin Tenti v Andrea Basso | 1-6,1-6 |
| ITF M15 Porec | 2021/03/11 11:20 | Fermin Tenti v Alex Rybakov | 1-6,2-6 |
| ITF M15 Porec | 2021/03/09 12:50 | Ignacio Monzon v Fermin Tenti | 6-3,0-6,3-6 |
| ATP Cordoba | 2021/02/20 22:45 | Juan Manuel Cerundolo v Fermin Tenti | 6-0,6-4 |
| Challenger Concepcion | 2021/02/14 19:20 | Carlos Gomez-Herrera v Fermin Tenti | 6-4,5-7,6-3 |
| ITF M15 Cairo | 2020/12/09 08:00 | Alex M Pujolras v Fermin Tenti | 6-4,7-6 |
| ITF M15 Cairo | 2020/12/02 08:00 | Carlos Sanchez Jover v Fermin Tenti | 5-7,6-1,6-1 |
| ITF M15 Cairo | 2020/11/25 09:25 | Juan Bautista Otegui v Fermin Tenti | 6-3,6-3 |