| Jun 14, 2026 | Ramirez Maillo | ½–½ | Hernandez Leon | Round 6: Ramirez Maillo, Cristian - Hernandez Leon, Sergio | Ruy Lopez: Fianchetto Defense | |
| Jun 13, 2026 | Hernandez Leon | 0–1 | Lagarejos Gonzalez | Round 4: Hernandez Leon, Sergio - Lagarejos Gonzalez, Eduardo | Nimzo-Larsen Attack: Classical Variation | |
| Jun 12, 2026 | Lopez Pereyra | * | Hernandez Leon | Round 3: Lopez Pereyra, Antonio - Hernandez Leon, Sergio | ? | |
| Jun 12, 2026 | Meneses Gonzalez | 1–0 | Hernandez Leon | Round 2: Meneses Gonzalez, Kevin Moises - Hernandez Leon, Sergio | Zukertort Opening | |
| Dec 19, 2025 | Gonzalez Gonzalez | 0–1 | Hernandez Leon | ABSOLUTO_2025 | Nimzo-Larsen Attack: Classical Variation | |
| Dec 18, 2025 | Hernandez Leon | 1–0 | Follana Albelda | ABSOLUTO_2025 | Trompowsky Attack | |
| Dec 17, 2025 | Gaitan Galstyan | 1–0 | Hernandez Leon | ABSOLUTO_2025 | Modern Defense | |
| Dec 16, 2025 | Hernandez Leon | ½–½ | Perez Garcia | ABSOLUTO_2025 | Sicilian Defense: Closed | |
| Dec 15, 2025 | Galvan Cipriani | ½–½ | Hernandez Leon | ABSOLUTO_2025 | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Dec 14, 2025 | Hernandez Leon | ½–½ | Zapata Campos | ABSOLUTO_2025 | Zukertort Opening: Sicilian Invitation | |
| Dec 13, 2025 | Rodriguez Avila | 1–0 | Hernandez Leon | ABSOLUTO_2025 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation | |
| Dec 12, 2025 | Hernandez Leon | 1–0 | Lopez de Turiso Sanchez | ABSOLUTO_2025 | Zukertort Opening: Dutch Variation | |
| Dec 11, 2025 | Merario Alarcon | 1–0 | Hernandez Leon | ABSOLUTO_2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 1, 2025 | Hernandez Leon | 0–1 | Perez Perez | Round 6: Hernandez Leon, Sergio - Perez Perez, Gabriel | Nimzo-Larsen Attack: Classical Variation | |
| May 31, 2025 | Ramirez Maillo | 0–1 | Hernandez Leon | Round 5: Ramirez Maillo, Juan Adonay - Hernandez Leon, Sergio | Modern Defense: Standard Line | |
| May 31, 2025 | Hernandez Leon | 1–0 | de Leon Navarro | Round 4: Hernandez Leon, Sergio - de Leon Navarro, Claudio | Nimzo-Larsen Attack: Classical Variation | |
| May 30, 2025 | Leandro Tejera | 0–1 | Hernandez Leon | Round 1: Leandro Tejera, Damian - Hernandez Leon, Sergio | Queen's Indian Defense: Spassky System | |
| May 30, 2025 | Hernandez Leon | 1–0 | Alonso Perez | Round 2: Hernandez Leon, Sergio - Alonso Perez, Alfredo | Queen's Pawn Game: Symmetrical Variation | |
| May 30, 2025 | Meneses Gonzalez | 1–0 | Hernandez Leon | Round 3: Meneses Gonzalez, Kevin Moises - Hernandez Leon, Sergio | Sicilian Defense: Nimzowitsch Variation, Advance Variation | |
| Apr 20, 2025 | Cordoba Picazo | ½–½ | Hernandez Leon | Round 9: Cordoba Picazo, Manuel Javier - Hernandez Leon, Sergio | King's Indian Attack: Keres Variation | |
| Apr 18, 2025 | Gonzalez Castillo | 1–0 | Hernandez Leon | Round 6: Gonzalez Castillo, Jose Javier - Hernandez Leon, Sergio | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Apr 17, 2025 | Hernandez Leon | 1–0 | Fuentes de Nova | Round 5: Hernandez Leon, Sergio - Fuentes de Nova, Sebastian | Nimzo-Larsen Attack: Classical Variation | |
| Jun 22, 2024 | Hernandez Leon | 0–1 | Peralta | Round 1: Hernandez Leon, Sergio - Peralta, Fernando | French Defense: Schlechter Variation | |
| Mar 31, 2024 | Oudeh Mishmesh | 0–1 | Hernandez Leon | Round 9: Oudeh Mishmesh, Omar - Hernandez Leon, Sergio | English Opening: Carls-Bremen System | |
| Mar 30, 2024 | Hernandez Leon | 1–0 | Guerrero Orihuela | Round 8: Hernandez Leon, Sergio - Guerrero Orihuela, Jose Luis | Caro-Kann Defense | |
| Mar 29, 2024 | Ramos Santana | ½–½ | Hernandez Leon | Round 7: Ramos Santana, Marcelino - Hernandez Leon, Sergio | Modern Defense: Standard Line | |
| Mar 28, 2024 | Hernandez Leon | ½–½ | Garbezza | Round 6: Hernandez Leon, Sergio - Garbezza, Davide | Nimzo-Larsen Attack: Classical Variation | |
| Mar 27, 2024 | Barlov | 1–0 | Hernandez Leon | Round 5: Barlov, Dragan - Hernandez Leon, Sergio | Ruy Lopez: Fianchetto Defense | |
| Mar 26, 2024 | Hernandez Leon | 1–0 | Rivero Tacoronte | Round 4: Hernandez Leon, Sergio - Rivero Tacoronte, Gabriel | Nimzo-Larsen Attack: Classical Variation | |
| Mar 25, 2024 | Fiorito | 1–0 | Hernandez Leon | Round 3: Fiorito, Francisco - Hernandez Leon, Sergio | Nimzo-Larsen Attack: Classical Variation | |
| Mar 24, 2024 | Hernandez Leon | 1–0 | Garcia Rodriguez | Round 2: Hernandez Leon, Sergio - Garcia Rodriguez, Adriana | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Mar 23, 2024 | Macias Reyes | 0–1 | Hernandez Leon | Round 1: Macias Reyes, Jose Luis - Hernandez Leon, Sergio | Indian Defense | |
| Sep 5, 2024 | Hernandez Leon | 0–1 | Ladron De Guevara Pinto | Round 5: Hernandez Leon, Sergio - Ladron De Guevara Pinto, Paolo | Nimzo-Larsen Attack: Classical Variation | |
| Sep 3, 2024 | Lopez Martinez | 1–0 | Hernandez Leon | Round 2: Lopez Martinez, Josep Manuel - Hernandez Leon, Sergio | English Opening: King's English Variation | |
| Sep 1, 2024 | Hernandez Leon | 1–0 | Alonso Perez | Round 7: Hernandez Leon, Sergio - Alonso Perez, Alfredo | Slav Defense: Modern Line | |
| Sep 1, 2024 | Hernandez Leon | 0–1 | Moreno Diepa | Round 9: Hernandez Leon, Sergio - Moreno Diepa, Diego | Zukertort Opening: Nimzo-Larsen Variation | |
| Sep 1, 2024 | Villalba Pons | 1–0 | Hernandez Leon | Round 6: Villalba Pons, Max - Hernandez Leon, Sergio | Italian Game: Scotch Gambit, Anderssen Attack | |
| Sep 1, 2024 | Hernandez Leon | ½–½ | Hernandez Leon | Round 8: Hernandez Leon, Alberto - Hernandez Leon, Sergio | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |
| Aug 31, 2024 | Hernandez Leon | 1–0 | Mamani Mamani | Round 2: Hernandez Leon, Sergio - Mamani Mamani, Daniel | Scandinavian Defense: Valencian Variation | |
| Aug 31, 2024 | Hernandez Leon | 1–0 | Lorenzo Ventura | Round 4: Hernandez Leon, Sergio - Lorenzo Ventura, Abel | Nimzo-Larsen Attack: Classical Variation | |
| Aug 31, 2024 | Hernandez Leon | 0–1 | Perez Garcia | Round 5: Hernandez Leon, Sergio - Perez Garcia, Rodney Oscar | Modern Defense: Standard Line | |
| Aug 31, 2024 | Blanco Cruz | 0–1 | Hernandez Leon | Round 1: Blanco Cruz, Miguel Angel - Hernandez Leon, Sergio | Sicilian Defense: Paulsen-Basman Defense | |
| Aug 31, 2024 | Fiorito | 1–0 | Hernandez Leon | Round 3: Fiorito, Francisco - Hernandez Leon, Sergio | King's Indian Attack: Keres Variation | |
| Aug 28, 2024 | Ragnarsson | 1–0 | Hernandez Leon | Round 6: Ragnarsson, Dagur - Hernandez Leon, Sergio | King's Indian Attack | |
| Aug 26, 2024 | Balaji | 1–0 | Hernandez Leon | Round 4: Balaji, Aaravamudhan - Hernandez Leon, Sergio | Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation | |
| Aug 24, 2024 | Hernandez Leon | 0–1 | Stefansson | Round 1: Hernandez Leon, Sergio - Stefansson, Vignir Vatnar | Sicilian Defense: Closed | |
| Jan 8, 2023 | Hernandez Leon | 1–0 | Buijs Martin | Roquetas Open | ? | |
| Jan 7, 2023 | Hernandez Leon | * | Iglesias Ferreira | Roquetas Open | ? | |
| Jan 7, 2023 | Galiano Martinez | * | Hernandez Leon | Roquetas Open | ? | |
| Jan 6, 2023 | Rubio Mejia | 1–0 | Hernandez Leon | Roquetas Open | ? | |
| Jan 5, 2023 | Hernandez Leon | 1–0 | Navarro Martinez | Roquetas Open | ? | |
| Jan 5, 2023 | Benseny Martinez | 0–1 | Hernandez Leon | Roquetas Open | ? | |
| Jan 4, 2023 | Hernandez Leon | * | Talledo Lagos | Roquetas Open | ? | |
| Jan 4, 2023 | Merario Alarcon | 1–0 | Hernandez Leon | Roquetas Open | Queen's Indian Defense: Classical Variation | |
| Jan 3, 2023 | Hernandez Leon | 1–0 | Portero Bravo | Roquetas Open | ? | |
| Aug 12, 2022 | Herrera Reyes | 0–1 | Hernandez Leon | Playing with the stars | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Aug 11, 2022 | Hernandez Leon | 1–0 | Capote Robayna | Playing with the stars | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 10, 2022 | Cubas Cabrera | ½–½ | Hernandez Leon | Playing with the stars | Catalan Opening: Open Defense | |
| Aug 9, 2022 | Hernandez Leon | ½–½ | Acosta Sosa | Playing with the stars | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Aug 9, 2022 | Segura Marsa | 0–1 | Hernandez Leon | Playing with the stars | Modern Defense | |
| Aug 8, 2022 | Hernandez Leon | 0–1 | Pulvett Marin | Playing with the stars | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Aug 7, 2022 | Hernandez Leon | 1–0 | Antic | La Palma Island Open | Zukertort Opening: Sicilian Invitation | |
| Aug 7, 2022 | Roeder | ½–½ | Hernandez Leon | La Palma Island Open | King's Indian Attack: Spassky Variation | |
| Aug 6, 2022 | Morales Sanchez | 0–1 | Hernandez Leon | La Palma Island Open | ? | |
| Aug 24, 2021 | Castro Marquez | 0–1 | Hernandez Leon | Spanish Championship | ? | |
| Aug 23, 2021 | Hernandez Leon | 0–1 | Juan Lepp | Spanish Championship | ? | |
| Aug 22, 2021 | Sicilia Laino | 1–0 | Hernandez Leon | Spanish Championship | ? | |
| Aug 21, 2021 | Hernandez Leon | 0–1 | Blazquez Gomez | Spanish Championship | Nimzowitsch Defense: Scandinavian Variation, Advance Variation | |
| Aug 20, 2021 | Haering Hijon | ½–½ | Hernandez Leon | Spanish Championship | Italian Game: Classical Variation, Center Attack | |
| Aug 19, 2021 | Hernandez Leon | ½–½ | Garcia Fernandez | Spanish Championship | Sicilian Defense: Richter-Rauzer Variation, Dragon Variation | |
| Aug 18, 2021 | Hernandez Tellez | ½–½ | Hernandez Leon | Spanish Championship | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Aug 17, 2021 | Hernandez Leon | 0–1 | Plazuelo Pascual | Spanish Championship | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Aug 16, 2021 | Jordan Del Molino | 0–1 | Hernandez Leon | Spanish Championship | ? | |
| Jul 13, 2021 | Sequera Paolini | * | Hernandez Leon | 40th Benasque Open | ? | |
| Jul 12, 2021 | Hernandez Leon | * | Lagarde | 40th Benasque Open | ? | |
| Jul 11, 2021 | Pera Muntasell | * | Hernandez Leon | 40th Benasque Open | ? | |
| Jul 10, 2021 | Hernandez Leon | * | Cruz Gomez | 40th Benasque Open | ? | |
| Jul 9, 2021 | Garcia Ramos | * | Hernandez Leon | 40th Benasque Open | ? | |
| Jul 8, 2021 | Hernandez Leon | * | Fernandez Lago | 40th Benasque Open | ? | |
| Jul 7, 2021 | Hernandez Leon | * | Estevez Sacristan | 40th Benasque Open | ? | |
| Jul 6, 2021 | Nisipeanu | 1–0 | Hernandez Leon | 40th Benasque Open | Indian Defense: London System | |
| Jul 5, 2021 | Hernandez Leon | * | Poblet Bulnes | 40th Benasque Open | ? | |
| — | Hernandez Leon | 1–0 | Rodriguez Mellado | Torneo Corpus de Mazo 2023 - Campeontao de Canarias de Relampago | Zukertort Opening: Nimzo-Larsen Variation | |
| — | Hernandez Leon | 1–0 | Herrera Reyes | Torneo Corpus de Mazo 2023 - Campeontao de Canarias de Relampago | Zukertort Opening: Sicilian Invitation | |
| — | Hernandez Leon | 0–1 | Perez Perez | Torneo Corpus de Mazo 2023 - Campeontao de Canarias de Relampago | Nimzo-Larsen Attack: Classical Variation | |
| — | Hernandez Leon | 0–1 | Nie | Ronda 2: Hernandez Leon, Sergio - Nie, Xinyang | Nimzo-Larsen Attack: Classical Variation | |
| — | Garcia Blanco | ½–½ | Hernandez Leon | Torneo Corpus de Mazo 2023 - Campeontao de Canarias de Relampago | Italian Game: Giuoco Pianissimo, Normal | |
| — | Oudeh Mishmesh | 0–1 | Hernandez Leon | Torneo Corpus de Mazo 2023 - Campeontao de Canarias de Relampago | English Opening: King's English Variation, Hungarian Attack | |
| — | Hernandez Leon | 1–0 | Hernandez Leon | Torneo Corpus de Mazo 2023 - Campeontao de Canarias de Relampago | Indian Defense: Anti-Nimzo-Indian | |
| — | Rodriguez Ferraz | 0–1 | Hernandez Leon | Torneo Corpus de Mazo 2023 - Campeontao de Canarias de Relampago | Indian Defense: Knights Variation | |
| — | Martinez Duany | 1–0 | Hernandez Leon | VII Jugando con las Estrellas | Sicilian Defense: Taimanov Variation | |
| — | Ramiro Ovejero | 1–0 | Hernandez Leon | VII Jugando con las Estrellas | Torre Attack: Classical Defense | |
| — | Dubkov | 1–0 | Hernandez Leon | VII Jugando con las Estrellas | King's Indian Attack: Keres Variation | |
| — | Martinez Reyes | 1–0 | Hernandez Leon | Ronda 5: Martinez Reyes, Pedro Ramon - Hernandez Leon, Sergio | Nimzo-Indian Defense: Normal Variation | |
| — | Garcia Blanco | ½–½ | Hernandez Leon | Ronda 9: Garcia Blanco, Omar - Hernandez Leon, Sergio | Italian Game: Giuoco Pianissimo, Normal | |