| Jul 5, 2025 | Lopez Gil | 1–0 | Pena Duarte | I Open Internacional Ciudad de Vitoria - Gazteiz | Torre Attack: Fianchetto Defense | |
| Jul 4, 2025 | Pena Duarte | 0–1 | Valmana Canto | I Open Internacional Ciudad de Vitoria - Gazteiz | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Jul 3, 2025 | Tascon Castro | 0–1 | Pena Duarte | I Open Internacional Ciudad de Vitoria - Gazteiz | Catalan Opening | |
| Jul 3, 2025 | Pena Duarte | 0–1 | Moskalenko | I Open Internacional Ciudad de Vitoria - Gazteiz | French Defense: Winawer Variation, Advance Variation | |
| Jul 2, 2025 | Pena Duarte | ½–½ | Martinez Reyes | I Open Internacional Ciudad de Vitoria - Gazteiz | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 1, 2025 | Guadamuro Torrente | 0–1 | Pena Duarte | I Open Internacional Ciudad de Vitoria - Gazteiz | Sicilian Defense: Hyperaccelerated Pterodactyl | |
| Jul 1, 2025 | Pena Duarte | 1–0 | Clavero Santos | I Open Internacional Ciudad de Vitoria - Gazteiz | Slav Defense: Czech Variation, Dutch Variation | |
| Jun 30, 2025 | Suarez Rodriguez | 0–1 | Pena Duarte | I Open Internacional Ciudad de Vitoria - Gazteiz | King's Indian Defense: Normal Variation | |
| Jun 1, 2025 | Troshchenko | ½–½ | Pena Duarte | Round 7: Troshchenko, Vladimir - Pena Duarte, Fabian Dario | Czech Defense | |
| May 31, 2025 | Martinez Silva | 0–1 | Pena Duarte | Round 4: Martinez Silva, Gabriel - Pena Duarte, Fabian Dario | Queen's Pawn Game: Barry Attack | |
| May 31, 2025 | Pena Duarte | 1–0 | Munoz Osete | Round 3: Pena Duarte, Fabian Dario - Munoz Osete, Marcos | Catalan Opening: Closed | |
| May 30, 2025 | Cardena Contreras | 0–1 | Pena Duarte | Round 2: Cardena Contreras, Javier - Pena Duarte, Fabian Dario | French Defense: Schlechter Variation | |
| May 30, 2025 | Pena Duarte | 1–0 | Kalarkov | Round 1: Pena Duarte, Fabian Dario - Kalarkov, Valerii | Indian Defense: Przepiorka Variation | |
| May 30, 2025 | Pena Duarte | ½–½ | Serarols Mabras | Round 6: Pena Duarte, Fabian Dario - Serarols Mabras, Bernat | King's Indian Attack | |
| May 30, 2025 | Pena Duarte | ½–½ | Granero Roca | Round 5: Pena Duarte, Fabian Dario - Granero Roca, Antonio | Indian Defense: Przepiorka Variation | |
| Apr 27, 2025 | Pena Duarte | 1–0 | Reguillaga Elias | Round 7: Pena Duarte, Fabian Dario - Reguillaga Elias, Manex | Catalan Opening: Closed | |
| Apr 24, 2025 | Pena Duarte | ½–½ | Alvarez Etxarri | Round 2: Pena Duarte, Fabian Dario - Alvarez Etxarri, Aimar | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Apr 24, 2025 | Etxagibel Larranaga | 1–0 | Pena Duarte | Round 3: Etxagibel Larranaga, Asier - Pena Duarte, Fabian Dario | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Apr 23, 2025 | Sarasketa Irastortza | 1–0 | Pena Duarte | Round 1: Sarasketa Irastortza, Oier - Pena Duarte, Fabian Dario | Benoni Defense: Hromádka System | |
| Jun 2, 2024 | Pena Duarte | 1–0 | Garijo Perez | Round 7: Pena Duarte, Fabian Dario - Garijo Perez, Hugo | Dutch Defense: Staunton Gambit, Lasker Variation | |
| Jun 2, 2024 | Pena Duarte | 1–0 | Lopez Martinez | Round 6: Pena Duarte, Fabian Dario - Lopez Martinez, Jaime | Queen's Pawn Game: Zukertort Variation | |
| Jun 1, 2024 | Vega de Alba | 0–1 | Pena Duarte | Round 5: Vega de Alba, Miguel - Pena Duarte, Fabian Dario | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Jun 1, 2024 | Pena Duarte | 0–1 | Bascunana Sanchez | Round 4: Pena Duarte, Fabian Dario - Bascunana Sanchez, Pablo | London System | |
| Jun 1, 2024 | Nechifor | 0–1 | Pena Duarte | Round 3: Nechifor, David - Pena Duarte, Fabian Dario | King's Indian Defense: Normal Variation | |
| May 31, 2024 | Pena Duarte | 1–0 | Garcia Sanchez | Round 2: Pena Duarte, Fabian Dario - Garcia Sanchez, Miguel Angel | Queen's Pawn Game: Zukertort Variation | |
| May 31, 2024 | Bukuyemskyy | 0–1 | Pena Duarte | Round 1: Bukuyemskyy, Anton - Pena Duarte, Fabian Dario | London System | |
