| 2 ago 2026 | Juan Lepp, Jaime Boris 2175 | Castellanos Gomez, Alejandro 2298 | ½-½ | C11 French Defense: Classical Variation | XXI Torneo de Promoción de Ajedrez Almansa | A | 94 | Ver |
| 2 ago 2026 | Sanchez Serrano, Emilio 2065 | Castellanos Gomez, Alejandro 2298 | 0-1 | D31 Queen's Gambit Declined: Janowski Variation | XXI Torneo de Promoción de Ajedrez Almansa | A | 43 | Ver |
| 1 ago 2026 | Castellanos Gomez, Alejandro 2298 | Alves Garcia, Eric 2124 | ½-½ | A46 Indian Defense: Spielmann-Indian | XXI Torneo de Promoción de Ajedrez Almansa | A | 126 | Ver |
| 1 ago 2026 | Martinez Fresneda, David 2073 | Castellanos Gomez, Alejandro 2298 | 0-1 | A13 English Opening: Agincourt Defense | XXI Torneo de Promoción de Ajedrez Almansa | A | 54 | Ver |
| 1 ago 2026 | Castellanos Gomez, Alejandro 2298 | Nunez Miranda, Adrian 2109 | ½-½ | D04 Queen's Pawn Game: Colle System | XXI Torneo de Promoción de Ajedrez Almansa | A | 44 | Ver |
| 13 jul 2026 | Vecillas Rey, Daniel 2165 | Castellanos Gomez, Alejandro 2298 | ½-½ | C11 French Defense: Steinitz Variation, Boleslavsky Variation | XLV Open Villa de Benasque | 27 | Ver |
| 13 jul 2026 | Di Benedetto, Edoardo 2470 | Castellanos Gomez, Alejandro 2298 | 1-0 | C11 French Defense: Steinitz Variation, Boleslavsky Variation | XLV Open Villa de Benasque | 67 | Ver |
| 11 jul 2026 | Castellanos Gomez, Alejandro 2298 | Petkov, Momchil 2528 | ½-½ | A48 East Indian Defense | XLV Open Villa de Benasque | 52 | Ver |
| 10 jul 2026 | Castellanos Gomez, Alejandro 2298 | Habans Aguerrea, Javier 2433 | 1-0 | D04 Queen's Pawn Game: Colle System | XLV Open Villa de Benasque | 48 | Ver |
| 10 jul 2026 | Alonso Vargas, David 2157 | Castellanos Gomez, Alejandro 2298 | 0-1 | D31 Queen's Gambit Declined: Charousek Variation | XLV Open Villa de Benasque | 64 | Ver |
| 9 jul 2026 | Castellanos Gomez, Alejandro 2298 | Pallares Jover, Adrian 2146 | 1-0 | A11 Réti Opening: Anglo-Slav Variation, with g3 | XLV Open Villa de Benasque | 30 | Ver |
| 5 jul 2026 | Castellanos Gomez, Alejandro 2298 | Sala Esquiva, Miguel 2019 | ½-½ | E08 Catalan Opening: Closed | XLV Open Villa de Benasque | 73 | Ver |
| 3 abr 2026 | Mamedov, Edgar 2477 | Castellanos Gomez, Alejandro 2303 | 1-0 | D31 Queen's Gambit Declined: Janowski Variation | X Open Semana Santa 2026 - Grupo A | 55 | Ver |
| 2 abr 2026 | Diaz Camallonga, Carles 2497 | Castellanos Gomez, Alejandro 2303 | 1-0 | A07 King's Indian Attack, with e6 | X Open Semana Santa 2026 - Grupo A | 29 | Ver |
| 31 ene 2026 | Castellanos Gomez, Alejandro 2320 | Lucas Vega, Ivan 2188 | ½-½ | A46 Yusupov-Rubinstein System | Campeonato Regional Absoluto y Femenino Murcia 2026 | 47 | Ver |
| 24 ene 2026 | Castellanos Gomez, Alejandro 2320 | Garceran Perez, Alejandro 2069 | 1-0 | A07 King's Indian Attack, with e6 | Campeonato Regional Absoluto y Femenino Murcia 2026 | 87 | Ver |
| 24 ene 2026 | Cano Mateos, Pablo 2035 | Castellanos Gomez, Alejandro 2320 | ½-½ | C11 French Defense: Classical Variation | Campeonato Regional Absoluto y Femenino Murcia 2026 | 85 | Ver |
| 28 dic 2025 | Plaskett, H James 2316 | Castellanos Gomez, Alejandro 2318 | 1-0 | D00 Queen's Pawn Game: Levitsky Attack | Lorca Chess Festival | A U2400 | 70 | Ver |
| 28 dic 2025 | Castellanos Gomez, Alejandro 2318 | Vehi Bach, Victor Manuel 2177 | 1-0 | A46 Yusupov-Rubinstein System | Lorca Chess Festival | A U2400 | 43 | Ver |
| 27 dic 2025 | Khamrakulov, Ibragim S. 2365 | Castellanos Gomez, Alejandro 2318 | ½-½ | C03 French Defense: Tarrasch Variation, Modern System | Lorca Chess Festival | A U2400 | 15 | Ver |