| Feb 20, 2026 | Etayo Delgado | 0–1 | Goni Sierro | Open Pamplona 26 | Caro-Kann Defense: Exchange Variation | |
| Feb 18, 2026 | Pascual Garcia | ½–½ | Goni Sierro | Open Pamplona 26 | Slav Defense: Exchange Variation | |
| Feb 18, 2026 | Goni Sierro | 0–1 | Korneev | Open Pamplona 26 | Slav Defense: Czech Variation, Classical System, Main Line | |
| Feb 18, 2026 | Arana Oloron | 0–1 | Goni Sierro | Open Pamplona 26 | Sicilian Defense: Modern Variations | |
| Feb 17, 2026 | Goni Sierro | 0–1 | Rey Martinez | Open Pamplona 26 | Queen's Indian Accelerated | |
| Feb 17, 2026 | Vergara Anton | ½–½ | Goni Sierro | Open Pamplona 26 | Slav Defense: Exchange Variation | |
| Feb 16, 2026 | Goni Sierro | 1–0 | Ruiz Buendia | Open Pamplona 26 | King's Indian Defense: Makogonov Variation | |
| Feb 15, 2026 | Planas Gene | 0–1 | Goni Sierro | Open Pamplona 26 | Slav Defense: Czech Variation, Dutch Variation | |
| Feb 8, 2026 | Goni Sierro | ½–½ | Albornoz Cabrera | Open Pamplona 26 | Grünfeld Defense: Exchange Variation | |
| Jul 14, 2024 | Goni Sierro | ½–½ | Quiroga Andres | CE SUB 12 RAPIDO 2024 | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Jul 14, 2024 | Goni Sierro | 1–0 | Gomez Dominguez | CE SUB 12 RAPIDO 2024 | Petrov's Defense: Stafford Gambit | |
| Jul 14, 2024 | Veiga Macias | 0–1 | Goni Sierro | CE SUB 12 RAPIDO 2024 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jul 14, 2024 | Galvez Ruiz | 1–0 | Goni Sierro | CE SUB 12 RAPIDO 2024 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 14, 2024 | Macias Verano | 1–0 | Goni Sierro | CE SUB 12 RAPIDO 2024 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 13, 2024 | Goni Sierro | ½–½ | Merino Olaverri | CE SUB 12.2024 | Queen's Gambit Declined: Traditional Variation | |
| Jul 13, 2024 | Goni Sierro | ½–½ | Azuara Cornejo | CE SUB 12 RAPIDO 2024 | Sicilian Defense: Dragon Variation, Classical Variation | |
| Jul 13, 2024 | Goni Sierro | ½–½ | Ania Chueca | CE SUB 12 RAPIDO 2024 | French Defense: Classical Variation, Steinitz Variation | |
| Jul 13, 2024 | Duran Rodriguez | 0–1 | Goni Sierro | CE SUB 12 RAPIDO 2024 | Sicilian Defense: Alapin Variation | |
| Jul 13, 2024 | Morales Anadon | 0–1 | Goni Sierro | CE SUB 12 RAPIDO 2024 | Sicilian Defense: Closed | |
| Jul 12, 2024 | Goni Sierro | 0–1 | Torres Rebolledo | CE SUB 12.2024 | King's Indian Attack | |
| Jul 12, 2024 | Guirado Lara | 0–1 | Goni Sierro | CE SUB 12.2024 | London System | |
| Jul 11, 2024 | Goni Sierro | ½–½ | Sanchez Gonzalez | CE SUB 12.2024 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 10, 2024 | Goni Sierro | 1–0 | Quiroga Andres | CE SUB 12.2024 | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Jul 10, 2024 | Torres Herrera | 0–1 | Goni Sierro | CE SUB 12.2024 | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Jul 9, 2024 | Mendoza Barcia | ½–½ | Goni Sierro | CE SUB 12.2024 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jul 8, 2024 | Goni Sierro | 1–0 | Saiz Alonso de Armino | CE SUB 12.2024 | French Defense: Rubinstein Variation | |
| Jul 8, 2024 | Moreira Novo | 0–1 | Goni Sierro | CE SUB 12.2024 | Sicilian Defense: Kan Variation, Knight Variation | |
| Mar 31, 2024 | Collado Alcolado | * | Goni Sierro | Round 9: Collado Alcolado, Angel - Goni Sierro, Jon | ? | |
| Mar 31, 2024 | Goni Sierro | * | Gil Jimenez | Round 8: Goni Sierro, Jon - Gil Jimenez, David | ? | |
| Mar 30, 2024 | Segura Del Frago | * | Goni Sierro | Round 7: Segura Del Frago, Imanol - Goni Sierro, Jon | ? | |
| Mar 29, 2024 | Goni Sierro | * | Juan Lepp | Round 5: Goni Sierro, Jon - Juan Lepp, Jaime Boris | ? | |
| Mar 28, 2024 | Goni Sierro | * | Louis | Round 3: Goni Sierro, Jon - Louis, Corentin | ? | |
| Mar 27, 2024 | Goni Sierro | 0–1 | Admiraal | Round 1: Goni Sierro, Jon - Admiraal, Miguoel | Caro-Kann Defense: Breyer Variation | |
| Jul 16, 2023 | Goni Sierro | 1–0 | Lorente Melcon | CE SUB 12 Rapido 2023 | Sicilian Defense: Four Knights Variation | |
| Jul 16, 2023 | Goni Sierro | 1–0 | Fernandez Cruz | CE SUB 12 Rapido 2023 | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jul 16, 2023 | Marsal Calvet | ½–½ | Goni Sierro | CE SUB 12 Rapido 2023 | Queen's Gambit Declined: Chigorin Defense | |
| Jul 16, 2023 | Ibanez Koblash | 1–0 | Goni Sierro | CE SUB 12 Rapido 2023 | Queen's Pawn Game: Chigorin Variation | |
| Jul 16, 2023 | Nechifor | ½–½ | Goni Sierro | CE SUB 12 Rapido 2023 | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| Jul 15, 2023 | Goni Sierro | 1–0 | Ruiz Lao | CE SUB 12 Rapido 2023 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Jul 15, 2023 | Goni Sierro | 0–1 | San Vicente Crespo | CE SUB 12 Rapido 2023 | Sicilian Defense: Lasker-Pelikan Variation | |
| Jul 15, 2023 | Mendez Gimenez | 0–1 | Goni Sierro | CE Sub 12 2023 | Nimzowitsch Defense: Declined Variation | |
| Jul 15, 2023 | Perello Barcelo | 0–1 | Goni Sierro | CE SUB 12 Rapido 2023 | Alekhine Defense: Scandinavian Variation | |
| Jul 15, 2023 | Serna Puerto | 0–1 | Goni Sierro | CE SUB 12 Rapido 2023 | Nimzowitsch Defense: Scandinavian Variation, Exchange Variation | |
| Jul 14, 2023 | Goni Sierro | 1–0 | De Martin Burtseva | CE Sub 12 2023 | French Defense: Rubinstein Variation | |
| Jul 14, 2023 | Najar Arrieta | 1–0 | Goni Sierro | CE Sub 12 2023 | Alekhine Defense: Four Pawns Attack, Main Line | |
| Jul 13, 2023 | Goni Sierro | 1–0 | Merino Ferrer | CE Sub 12 2023 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line | |
| Jul 12, 2023 | Goni Sierro | 1–0 | Martinez Mateos | CE Sub 12 2023 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 12, 2023 | Maestre Soler | ½–½ | Goni Sierro | CE Sub 12 2023 | Caro-Kann Defense: Breyer Variation | |
| Jul 11, 2023 | Marin Ferragut | 1–0 | Goni Sierro | CE Sub 12 2023 | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Jul 10, 2023 | Goni Sierro | 1–0 | Argudin Fernandez | CE Sub 12 2023 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | |
| Jul 10, 2023 | Kozlova | 0–1 | Goni Sierro | CE Sub 12 2023 | Sicilian Defense: Najdorf Variation | |
