30 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Diaz Castro, Sergio | Plazuelo Pascual, Juan | 1/2-1/2 | C02 | CE RAPIDOS | 2026-08-16 |
| Diaz Castro, Sergio | Rudzinska, Michalina | 1/2-1/2 | B15 | CECLUB_2D | 2026-08-14 |
| Diaz Castro, Sergio | Maldonado Mena, German | 1-0 | C54 | CECLUB_2D | 2026-08-13 |
| Diaz Castro, Sergio | Gomez Ledo, Roberto Carlos | 0-1 | C42 | Round 8: Diaz Castro, Sergio - Gomez Ledo, Roberto Carlos | 2026-05-30 |
| Diaz Castro, Sergio | Perez Garcia, Alejandro 2000 | 1/2-1/2 | B16 | DH Andalucia 2026 | 2026-03-21 |
| Diaz Castro, Sergio | Solodovnichenko, Yuri | 0-1 | B22 | Round 3: Diaz Castro, Sergio - Solodovnichenko, Yuri | 2025-06-07 |
| Diaz Castro, Sergio | Shirov, Alexei | 0-1 | C44 | Round 3: Diaz Castro, Sergio - Shirov, Alexei | 2024-06-08 |
| Diaz Castro, Sergio | Enzo Torres Garcia | 1-0 | B08 | Round 1: Sergio Diaz Castro - Enzo Torres Garcia | 2024-02-28 |
| Diaz Castro, Sergio | Solorzano Rivera, Freddy Alfonso | 1-0 | B23 | Round 3: Sergio Diaz Castro - Freddy Alfonso Solorzano Rivera | 2024-02-28 |
| Diaz Castro, Sergio | Bernabeu Lopez, Carlos Javier | 0-1 | B23 | Round 5: Sergio Diaz Castro - Carlos Javier Bernabeu Lopez | 2024-02-28 |
| Diaz Castro, Sergio | Jimenez Aguilar, Jose Antonio | 1-0 | C56 | Round 7: Sergio Diaz Castro - Jose Antonio Jimenez Aguilar | 2024-02-28 |
| Diaz Castro, Sergio | Cruz Rodriguez, Israel | 1-0 | B01 | Round 1: Sergio Diaz Castro - Israel Cruz Rodriguez | 2024-02-28 |
| Diaz Castro, Sergio | Rodriguez Fernandez, Pablo | 1-0 | C02 | Round 3: Diaz Castro, Sergio - Rodriguez Fernandez, Pablo | 2024-02-28 |
| Diaz Castro, Sergio | Maza Lopez De Los M., Santiago | 1-0 | B13 | Round 5: Diaz Castro, Sergio - Maza Lopez De Los M., Santiago | 2024-02-28 |
| Diaz Castro, Sergio | Rincon Bascon, Jorge | 1/2-1/2 | E60 | Round 8: Diaz Castro, Sergio - Rincon Bascon, Jorge | 2024-02-28 |
| Diaz Castro, Sergio | Callejas Rojas, Francisco Miguel | 0-1 | B23 | Round 10: Diaz Castro, Sergio - Callejas Rojas, Francisco Miguel | 2024-02-28 |
| Sergio Diaz Castro | Manuel Perez Candelario | 1/2-1/2 | B23 | Round 6: Sergio Diaz Castro - Manuel Perez Candelario | 2023-05-27 |