Pairings of round 4 - 2021-06-07 - 0:00
| Brd. | White | Ran. | Pts. | FIDE | Fed. | Res. | Black | Ran. | Pts. | FIDE | Fed. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Minarro Seva, Santiago | 10 | 2.5 | 0 | ESP | 0-1 | Sotelo Luina, Javier | 2 | 3.0 | 0 | ESP |
| 2 | Carreras Fernandez, Vitor | 1 | 2.0 | 0 | ESP | 1-0 | Cividanes Diez, Miguel | 7 | 2.0 | 0 | ESP |
| 3 | Lloveras Hernanz, Jose Antonio | 3 | 2.0 | 0 | ESP | 1-0 | Martin Gonzalez, Carlos Ignacio | 5 | 2.0 | 0 | ESP |
| 4 | Alvarez Fernandez, Ivan | 14 | 2.0 | 0 | ESP | 0-1 | Moreno Fernandez, Roberto | 4 | 2.0 | 0 | ESP |
| 5 | Vega Blanco, Andres | 8 | 1.0 | 0 | ESP | 0-1 | Vioque Pravia,Roberto | 6 | 1.5 | 0 | ESP |
| 6 | Gomez Delgado, Claudia Jessica | 16 | 1.0 | 0 | PAR | 1-0 | Martinez Villafane, Laura | 9 | 1.0 | 0 | ESP |
| 7 | Fernandez Buznego, Roberto | 11 | 1.0 | 0 | ESP | 1-0 | Alvarez-Sala Courel, Fernando | 12 | 1.0 | 0 | ESP |
| 8 | Chacon Gavela, Francisco | 13 | 0.0 | 0 | ESP | +-- | Cienfuegos Hevia, Laura | 15 | 0.0 | 0 | ESP |