| Apr 3, 2026 | Mamedov | 1–0 | Castellanos Gomez | X Open Semana Santa 2026 - Grupo A | Queen's Gambit Declined: Janowski Variation | |
| Apr 2, 2026 | Diaz Camallonga | 1–0 | Castellanos Gomez | X Open Semana Santa 2026 - Grupo A | King's Indian Attack, with e6 | |
| Feb 7, 2026 | Castellanos Gomez | 1–0 | Galiano Martinez | Campeonato Regional Absoluto y Femenino Murcia 2026 | Indian Defense: Przepiorka Variation | |
| Jan 31, 2026 | Castellanos Gomez | ½–½ | Lucas Vega | Campeonato Regional Absoluto y Femenino Murcia 2026 | Yusupov-Rubinstein System | |
| Jan 31, 2026 | Rodriguez Canovas | 0–1 | Castellanos Gomez | Campeonato Regional Absoluto y Femenino Murcia 2026 | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Jan 24, 2026 | Castellanos Gomez | 1–0 | Garceran Perez | Campeonato Regional Absoluto y Femenino Murcia 2026 | King's Indian Attack, with e6 | |
| Jan 24, 2026 | Cano Mateos | ½–½ | Castellanos Gomez | Campeonato Regional Absoluto y Femenino Murcia 2026 | French Defense: Classical Variation | |
| Jan 19, 2026 | Castellanos Gomez | 1–0 | Cano Hurtado | Campeonato Regional Absoluto y Femenino Murcia 2026 | Caro-Kann Defense: Exchange Variation | |
| Jan 19, 2026 | Candela Castejon | 0–1 | Castellanos Gomez | Campeonato Regional Absoluto y Femenino Murcia 2026 | French Defense: Exchange Variation, Monte Carlo Variation | |
| Dec 28, 2025 | Plaskett | 1–0 | Castellanos Gomez | Round 7: Plaskett, H James - Castellanos Gomez, Alejandro | Queen's Pawn Game: Levitsky Attack | |
| Dec 28, 2025 | Castellanos Gomez | 1–0 | Vehi Bach | Round 6: Castellanos Gomez, Alejandro - Vehi Bach, Victor Manuel | Yusupov-Rubinstein System | |
| Dec 27, 2025 | Khamrakulov | ½–½ | Castellanos Gomez | Round 5: Khamrakulov, Ibragim S. - Castellanos Gomez, Alejandro | French Defense: Tarrasch Variation, Modern System | |
| Dec 27, 2025 | Castellanos Gomez | 1–0 | Martinez Soriano | Round 4: Castellanos Gomez, Alejandro - Martinez Soriano, Pablo 2009 | Queen's Pawn Game: Colle System | |
| Dec 26, 2025 | Gomez Ligero | 0–1 | Castellanos Gomez | Round 1: Gomez Ligero, Sergio - Castellanos Gomez, Alejandro | French Defense: Classical Variation | |
| Dec 23, 2025 | Perez Epinin | ½–½ | Castellanos Gomez | Round 3: Perez Epinin, Gines - Castellanos Gomez, Alejandro | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Dec 23, 2025 | Castellanos Gomez | 1–0 | Ferro Martinez | Round 2: Castellanos Gomez, Alejandro - Ferro Martinez, Damian | Queen's Pawn Game: Colle System | |
| Sep 20, 2025 | Ibarra Jerez | 0–1 | Castellanos Gomez | IV Torneo Fiestas de Mula 2025 | Hungarian Opening | |
| Sep 19, 2025 | Castellanos Gomez | 0–1 | Granero Roca | IV Torneo Fiestas de Mula 2025 | East Indian Defense | |
| Sep 19, 2025 | Sanchez Carayol | 0–1 | Castellanos Gomez | IV Torneo Fiestas de Mula 2025 | French Defense: Advance Variation, Extended Bishop Swap | |
| Sep 19, 2025 | Castellanos Gomez | 1–0 | Borja Perez | IV Torneo Fiestas de Mula 2025 | Indian Defense: Wade-Tartakower Defense | |
| Sep 11, 2025 | Gomez Fernandez | 0–1 | Castellanos Gomez | TRAMO_2300 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Sep 10, 2025 | Aledo Yanguas | 1–0 | Castellanos Gomez | TRAMO_2300 | French Defense: Schlechter Variation | |
| Sep 10, 2025 | Castellanos Gomez | 1–0 | Lopez Nunez | TRAMO_2300 | Catalan Opening: Closed | |
| Sep 9, 2025 | Castellanos Gomez | 0–1 | Bustos Bernardo | TRAMO_2300 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Sep 8, 2025 | Alonso Alvarez | 0–1 | Castellanos Gomez | TRAMO_2300 | French Defense: Chigorin Variation | |
| Sep 8, 2025 | Castellanos Gomez | ½–½ | Garceran Perez | TRAMO_2300 | Queen's Pawn Game: Barry Attack, Grünfeld Variation | |
| Sep 7, 2025 | Gonzalez Pereira | 0–1 | Castellanos Gomez | TRAMO_2300 | French Defense: Classical Variation, Pollock Variation | |
| Sep 6, 2025 | Atienza Alvarez | 1–0 | Castellanos Gomez | TRAMO_2300 | Queen's Gambit Declined: Janowski Variation | |
| Jun 15, 2025 | Castellanos Gomez | 0–1 | Plaskett | II ENAE Chess Open Murcia, absoluto y sub-14 | Pseudo Queen's Indian Defense | |
| Jun 15, 2025 | Ibanez Koblash | ½–½ | Castellanos Gomez | II ENAE Chess Open Murcia, absoluto y sub-14 | Slav Defense: Geller Gambit | |
| Apr 20, 2025 | Castellanos Gomez | 0–1 | Fiorito | Round 9: Castellanos Gomez, Alejandro - Fiorito, Francisco | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Apr 19, 2025 | Petriashvili | 1–0 | Castellanos Gomez | Round 8: Petriashvili, Nikoloz - Castellanos Gomez, Alejandro | French Defense: Chigorin Variation | |
| Apr 18, 2025 | Akhvlediani | ½–½ | Castellanos Gomez | Round 7: Akhvlediani, Irakli - Castellanos Gomez, Alejandro | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Apr 17, 2025 | Castellanos Gomez | 1–0 | Kovchan | Round 6: Castellanos Gomez, Alejandro - Kovchan, Alexander | Modern Defense: Averbakh System | |
| Apr 16, 2025 | Castellanos Gomez | 1–0 | Blanco Garcia Bajo | Round 5: Castellanos Gomez, Alejandro - Blanco Garcia Bajo, David | Yusupov-Rubinstein System | |
| Apr 15, 2025 | Hernandez Guerra | 0–1 | Castellanos Gomez | Round 4: Hernandez Guerra, Luna Yue - Castellanos Gomez, Alejandro | Scandinavian Defense: Portuguese Gambit, Classical Variation | |
| Apr 14, 2025 | Castellanos Gomez | 0–1 | Martinez Ramirez | Round 3: Castellanos Gomez, Alejandro - Martinez Ramirez, Lennis | Indian Defense: Przepiorka Variation | |
| Apr 13, 2025 | Gonzalez Perdomo | 0–1 | Castellanos Gomez | Round 2: Gonzalez Perdomo, Sergio - Castellanos Gomez, Alejandro | Catalan Opening: Open Defense | |
| Apr 12, 2025 | Castellanos Gomez | 1–0 | Alessandro | Round 1: Castellanos Gomez, Alejandro - Alessandro, Sergio | Queen's Pawn Game: Accelerated London System | |
| Feb 8, 2025 | Castellanos Gomez | 1–0 | Cano Mateos | Ronda 7: Castellanos Gomez, Alejandro - Cano Mateos, Pablo | Queen's Gambit Declined: Orthodox Defense, Bd3 Line | |
| Feb 1, 2025 | Castellanos Gomez | * | Moya Albaladejo | Ronda 5: Castellanos Gomez, Alejandro - Moya Albaladejo, Jose Antonio | ? | |
| Feb 1, 2025 | Rico Carretero | 0–1 | Castellanos Gomez | Ronda 6: Rico Carretero, Jose Carlos - Castellanos Gomez, Alejandro | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Jan 25, 2025 | Castellanos Gomez | 0–1 | Galian Garcia | Ronda 3: Castellanos Gomez, Alejandro - Galian Garcia, Carlos | Indian Defense: Wade-Tartakower Defense | |
| Jan 25, 2025 | Betanzos Atienza | * | Castellanos Gomez | Ronda 4: Betanzos Atienza, Miguel - Castellanos Gomez, Alejandro | ? | |
| Jan 18, 2025 | Castellanos Gomez | 1–0 | Vicente Martinez | Ronda 1: Castellanos Gomez, Alejandro - Vicente Martinez, Alvaro | Indian Defense | |
| Jan 18, 2025 | Jimenez Castan | 0–1 | Castellanos Gomez | Ronda 2: Jimenez Castan, Alejandro - Castellanos Gomez, Alejandro | Queen's Gambit Declined: Janowski Variation | |
| Dec 19, 2024 | Castellanos Gomez | 1–0 | Arce Gonzalez | CE_ABSOLUTO | Rubinstein Opening | |
| Dec 18, 2024 | Sicilia Laino | ½–½ | Castellanos Gomez | CE_ABSOLUTO | Modern Defense: Lizard Defense, Mittenberger Gambit | |
| Dec 17, 2024 | Castellanos Gomez | 0–1 | Vergara Anton | CE_ABSOLUTO | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Dec 16, 2024 | Gines Esteo | 1–0 | Castellanos Gomez | CE_ABSOLUTO | Queen's Gambit Declined: Charousek Variation | |
| Dec 15, 2024 | Castellanos Gomez | ½–½ | Perez Candelario | CE_ABSOLUTO | Rubinstein Opening | |
| Dec 14, 2024 | Quintin Navarro | 0–1 | Castellanos Gomez | CE_ABSOLUTO | King's Indian Attack: Pachman System | |
| Dec 13, 2024 | Castellanos Gomez | 0–1 | Ayats Llobera | CE_ABSOLUTO | Rapport-Jobava System | |
| Dec 12, 2024 | Castellanos Gomez | 1–0 | Horcajuelo Rocamora | CE_ABSOLUTO | English Opening: Agincourt Defense | |
| Dec 11, 2024 | Cujba | 0–1 | Castellanos Gomez | CE_ABSOLUTO | Scandinavian Defense: Modern Variation | |
| Nov 4, 2024 | Castellanos Gomez | 0–1 | Matras | Round 9: Castellanos Gomez, Alejandro - Matras, Ondrej | Queen's Pawn Game: Accelerated London System | |
| Nov 3, 2024 | Amdouni | 1–0 | Castellanos Gomez | Round 8: Amdouni, Zoubaier - Castellanos Gomez, Alejandro | French Defense: Schlechter Variation | |
| Nov 2, 2024 | Castellanos Gomez | 0–1 | Kracht | Round 7: Castellanos Gomez, Alejandro - Kracht, Raphael | Queen's Pawn Game | |
| Nov 1, 2024 | Amin-Erdene | 0–1 | Castellanos Gomez | Round 6: Amin-Erdene, Bayanmunkh - Castellanos Gomez, Alejandro | Rapport-Jobava System | |
| Oct 31, 2024 | Castellanos Gomez | ½–½ | Elier | Round 5: Castellanos Gomez, Alejandro - Elier, Ali | King's Indian Attack | |
| Oct 30, 2024 | Castellanos Gomez | 1–0 | Eriksson | Round 4: Castellanos Gomez, Alejandro - Eriksson, Wilmer | King's Indian Attack: Symmetrical Defense | |
| Oct 29, 2024 | Brunier | 0–1 | Castellanos Gomez | Round 3: Brunier, Jules - Castellanos Gomez, Alejandro | French Defense: Tarrasch Variation, Closed Variation | |
| Oct 28, 2024 | Castellanos Gomez | 0–1 | De Ieso | Round 2: Castellanos Gomez, Alejandro - De Ieso, Lorenzo | Queen's Pawn Game: Colle System | |
| Oct 27, 2024 | Grapsa | 0–1 | Castellanos Gomez | Round 1: Grapsa, Georgia - Castellanos Gomez, Alejandro | Queen's Pawn Game: Symmetrical Variation | |
| Oct 21, 2023 | Jimenez Fernandez | 0–1 | Castellanos Gomez | ABSOLUTO2023 | Modern Defense: Standard Defense | |
| Oct 20, 2023 | Castellanos Gomez | ½–½ | Arce Gonzalez | ABSOLUTO2023 | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Oct 19, 2023 | Rodriguez Redondo | 1–0 | Castellanos Gomez | ABSOLUTO2023 | French Defense: Exchange Variation | |
| Oct 18, 2023 | Castellanos Gomez | 0–1 | Merario Alarcon | ABSOLUTO2023 | Indian Defense | |
| Oct 17, 2023 | Khademalsharieh | 1–0 | Castellanos Gomez | ABSOLUTO2023 | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| Oct 16, 2023 | Castellanos Gomez | 1–0 | Vega Gutierrez | ABSOLUTO2023 | Queen's Gambit Declined | |
| Oct 15, 2023 | Santos Martinez | 0–1 | Castellanos Gomez | ABSOLUTO2023 | Queen's Gambit Accepted: Classical Defense, Steinitz Variation, Development Variation | |
| Oct 14, 2023 | Castellanos Gomez | 0–1 | Suarez Gomez | ABSOLUTO2023 | Queen's Pawn Game: Colle System | |
| Oct 13, 2023 | Sanjuan Garcia | 0–1 | Castellanos Gomez | ABSOLUTO2023 | French Defense: Advance Variation | |
| Aug 20, 2023 | Alejandro Castellanos Gomez | ½–½ | Aitor Funes Ostos | Round 1: Alejandro Castellanos Gomez 2247 - Aitor Funes Ostos 2194 | Rubinstein Opening: Bogoljubow Defense | |
| Jun 23, 2023 | Castellanos Gomez | * | Bermudez Salmon | ALBA_RA | Horwitz Defense | |
| Jun 23, 2023 | Castellanos Gomez | 0–1 | Ibarra Jerez | ALBA_RA | Queen's Gambit Declined: Janowski Variation | |
| Jun 23, 2023 | Castellanos Gomez | 1–0 | Krauchi Romero | ALBA_RA | Indian Defense | |
| Jun 23, 2023 | Conon | * | Castellanos Gomez | ALBA_RA | Nimzo-Larsen Attack: Classical Variation | |
| Jun 23, 2023 | Perez Garcia | 0–1 | Castellanos Gomez | ALBA_RA | Queen's Pawn Game: Accelerated London System | |
| Jun 23, 2023 | Ponce Navalon | 1–0 | Castellanos Gomez | ALBA_RA | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jan 8, 2023 | Camacho Collados | 1–0 | Castellanos Gomez | Roquetas Open | French Defense: King's Indian Attack | |
| Jan 7, 2023 | Castellanos Gomez | * | Rodriguez Pereira | Roquetas Open | ? | |
| Jan 7, 2023 | Cobo Montejo | * | Castellanos Gomez | Roquetas Open | ? | |
| Jan 6, 2023 | Mompel Ferruz | * | Castellanos Gomez | Roquetas Open | ? | |
| Jan 5, 2023 | Castellanos Gomez | 0–1 | Alvarez Pedraza | Roquetas Open | Queen's Pawn Game: Modern Defense | |
| Jan 5, 2023 | Bub | 0–1 | Castellanos Gomez | Roquetas Open | ? | |
| Jan 4, 2023 | Castellanos Gomez | 0–1 | Merario Alarcon | Roquetas Open | Queen's Gambit Declined: Janowski Variation | |
| Jan 4, 2023 | Benseny Martinez | 0–1 | Castellanos Gomez | Roquetas Open | ? | |
| Jan 3, 2023 | Castellanos Gomez | 1–0 | Adamski | Roquetas Open | ? | |
| Aug 18, 2022 | Garcia Fernandez | 1–0 | Castellanos Gomez | Spanish Championship | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 17, 2022 | Castellanos Gomez | 1–0 | Arroyo Rodriguez | Spanish Championship | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Aug 16, 2022 | Pomes Marcet | ½–½ | Castellanos Gomez | Spanish Championship | ? | |
| Aug 15, 2022 | Castellanos Gomez | ½–½ | Yuste Valenzuela | Spanish Championship | ? | |
| Aug 14, 2022 | Garcia Escoda | 1–0 | Castellanos Gomez | Spanish Championship | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Aug 13, 2022 | Castellanos Gomez | ½–½ | Garza Marco | Spanish Championship | Indian Defense | |
| Aug 13, 2022 | Espinosa Aranda | 1–0 | Castellanos Gomez | Spanish Championship | French Defense: Tarrasch Variation, Pawn Center Variation | |
| Aug 12, 2022 | Castellanos Gomez | ½–½ | Gonzalez Perez | Spanish Championship | Queen's Pawn Game: Accelerated London System | |
| Aug 11, 2022 | Montesinos Diaz | 0–1 | Castellanos Gomez | Spanish Championship | ? | |
| Oct 12, 2021 | Solodovnichenko | ½–½ | Castellanos Gomez | La Nucia Open 2021 | French Defense: Classical Variation, Rubinstein Variation | |
| Oct 11, 2021 | Rahal | 0–1 | Castellanos Gomez | La Nucia Open 2021 | King's Indian Attack: Sicilian Variation | |