| Dec 8, 2025 | Lema Fernandez | 0–1 | Mendoza Barcia | Copa de España por Equipos S-12 | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Dec 7, 2025 | Mendoza Barcia | 0–1 | Galiano Puertas | Copa de España por Equipos S-12 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 13, 2025 | Mendoza Barcia | 1–0 | Otazu Casanes | CE Sub12.2025 | French Defense: McCutcheon Variation, Lasker Variation | |
| Jul 12, 2025 | Mendoza Barcia | ½–½ | Marin Ferragut | CE Sub12.2025 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 12, 2025 | Abad Miranda | 0–1 | Mendoza Barcia | CE Sub12.2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 11, 2025 | Mendoza Barcia | 1–0 | Alijarte Alfaya | CE Sub12.2025 | French Defense: Rubinstein Variation, Blackburne Defense | |
| Jul 10, 2025 | Iglesias Flores | 1–0 | Mendoza Barcia | CE Sub12.2025 | Scotch Game: Potter Variation | |
| Jul 10, 2025 | Mendoza Barcia | ½–½ | Merino Olaverri | CE Sub12.2025 | French Defense: McCutcheon Variation, Lasker Variation | |
| Jul 9, 2025 | Belmonte Blasco | ½–½ | Mendoza Barcia | CE Sub12.2025 | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Jul 8, 2025 | Mendoza Barcia | 1–0 | Lazaro Ayala | CE Sub12.2025 | French Defense: Rubinstein Variation, Blackburne Defense | |
| Jul 8, 2025 | Sosa Rios | 0–1 | Mendoza Barcia | CE Sub12.2025 | Queen's Pawn Game: Torre Attack | |
| Dec 6, 2024 | Boluda Costa | 0–1 | Mendoza Barcia | XV Copa de España por equipos Sub-12 | King's Indian Attack | |
| Jul 14, 2024 | Mendoza Barcia | 1–0 | Azuara Cornejo | CE SUB 12 RAPIDO 2024 | Sicilian Defense: Alapin Variation | |
| Jul 14, 2024 | Mendoza Barcia | 0–1 | Roche Fraile | CE SUB 12 RAPIDO 2024 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 14, 2024 | Morales Anadon | 0–1 | Mendoza Barcia | CE SUB 12 RAPIDO 2024 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 14, 2024 | Quiroga Andres | 0–1 | Mendoza Barcia | CE SUB 12 RAPIDO 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 14, 2024 | Pabon Hermann | ½–½ | Mendoza Barcia | CE SUB 12 RAPIDO 2024 | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jul 13, 2024 | Mendoza Barcia | 0–1 | Fernandez Sabajanes | CE SUB 12.2024 | Petrov's Defense: Classical Attack, Mason Variation | |
| Jul 13, 2024 | Mendoza Barcia | ½–½ | Saiz Alonso de Armino | CE SUB 12 RAPIDO 2024 | French Defense: Exchange Variation, Monte Carlo Variation | |
| Jul 13, 2024 | Santos Sanchez | 1–0 | Mendoza Barcia | CE SUB 12 RAPIDO 2024 | Italian Game: Giuoco Piano, Greco's Attack | |
| Jul 13, 2024 | Gomez Alonso | 0–1 | Mendoza Barcia | CE SUB 12 RAPIDO 2024 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 12, 2024 | Mendoza Barcia | 0–1 | Galiano Puertas | CE SUB 12.2024 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 12, 2024 | Escobar Garcia | 0–1 | Mendoza Barcia | CE SUB 12.2024 | Queen's Gambit Declined: Normal Defense | |
| Jul 11, 2024 | Kowalski Rubiales | 0–1 | Mendoza Barcia | CE SUB 12.2024 | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jul 10, 2024 | Mendoza Barcia | 1–0 | Vazquez Fernandez | CE SUB 12.2024 | Nimzowitsch Defense: Williams Variation | |
| Jul 10, 2024 | Galvez Ruiz | 1–0 | Mendoza Barcia | CE SUB 12.2024 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jul 9, 2024 | Mendoza Barcia | ½–½ | Goni Sierro | CE SUB 12.2024 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jul 8, 2024 | Mendoza Barcia | 1–0 | Mesa Regalado | CE SUB 12.2024 | Caro-Kann Defense: Advance Variation, Bronstein Variation | |
| Jul 8, 2024 | Brito Baranda | 0–1 | Mendoza Barcia | CE SUB 12.2024 | Nimzo-Larsen Attack: Classical Variation | |
| Jul 9, 2023 | Mendoza Barcia | 1–0 | Manrique Garcia | CE SUB 10 Rapido | Four Knights Game: Scotch Variation Accepted | |
| Jul 9, 2023 | Mendoza Barcia | 1–0 | Regadera Tellez | CE SUB 10 Rapido | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 9, 2023 | Mendoza Barcia | ½–½ | Fuentes De Nova | CE SUB 10 Rapido | Four Knights Game: Scotch Variation Accepted | |
| Jul 9, 2023 | Guirado Lara | 0–1 | Mendoza Barcia | CE SUB 10 Rapido | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 9, 2023 | Bru Montoya | 0–1 | Mendoza Barcia | CE SUB 10 Rapido | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Jul 8, 2023 | Mendoza Barcia | 1–0 | Gonzalez Lopez | CE SUB 10.2023 | Sicilian Defense: Old Sicilian | |
| Jul 8, 2023 | Mendoza Barcia | 1–0 | Gil Yaremchuk | CE SUB 10 Rapido | Sicilian Defense: Old Sicilian | |
| Jul 8, 2023 | Mendoza Barcia | ½–½ | Iglesias Flores | CE SUB 10 Rapido | Four Knights Game: Scotch Variation Accepted | |
| Jul 8, 2023 | Pons Sancho | 0–1 | Mendoza Barcia | CE SUB 10 Rapido | Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation | |
| Jul 8, 2023 | Ishchenko-Giller | 0–1 | Mendoza Barcia | CE SUB 10 Rapido | English Opening: Agincourt Defense | |
| Jul 7, 2023 | Mendoza Barcia | 1–0 | Guirado Lara | CE SUB 10.2023 | French Defense: Exchange Variation | |
| Jul 7, 2023 | Galiano Puertas | 0–1 | Mendoza Barcia | CE SUB 10.2023 | Rubinstein Opening | |
| Jul 6, 2023 | Mendoza Barcia | 1–0 | Merino Olaverri | CE SUB 10.2023 | French Defense: Exchange Variation | |
| Jul 5, 2023 | Mendoza Barcia | 1–0 | Pabon Hermann | CE SUB 10.2023 | Sicilian Defense: Old Sicilian | |
| Jul 5, 2023 | Antoshin | 0–1 | Mendoza Barcia | CE SUB 10.2023 | Catalan Opening: Open Defense, Classical Line | |
| Jul 4, 2023 | Lema Fernandez | 1–0 | Mendoza Barcia | CE SUB 10.2023 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 3, 2023 | Mendoza Barcia | 1–0 | Llamas Rodriguez | CE SUB 10.2023 | Four Knights Game: Scotch Variation Accepted | |
| Jul 3, 2023 | Serradell Munoz | 0–1 | Mendoza Barcia | CE SUB 10.2023 | Italian Game: Evans Gambit, Anderssen Variation | |
