| Jun 10, 2026 | Mateus | 0–1 | Vasquez Schroeder | Round 11: Mateus, Alejandro - Vasquez Schroeder, Rodrigo | Sicilian Defense: Alapin Variation | |
| Jun 9, 2026 | Mateus | 1–0 | Avendano Porras | Round 10: Mateus, Alejandro - Avendano Porras, Rodrigo | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jun 8, 2026 | Mateus | 0–1 | Delgado Romero | Round 9: Mateus, Alejandro - Delgado Romero, Marco | Caro-Kann Defense: Panov Attack, Fianchetto Defense, Fianchetto Gambit | |
| Jun 8, 2026 | Cori | 1–0 | Mateus | Round 8: Cori, Jorge - Mateus, Alejandro | Semi-Slav Defense: Stoltz Variation | |
| Jun 8, 2026 | Caballero Quijano | ½–½ | Mateus | Round 9: Caballero Quijano, Mitzy Mishell - Mateus, Alejandro | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| Jun 8, 2026 | Mateus | 1–0 | Flores Quillas | Round 7: Mateus, Alejandro - Flores Quillas, Diego Saul Rodri | Modern Defense: Geller's System | |
| Jun 8, 2026 | Mateus | 0–1 | Garzon Camelo | Round 6: Mateus, Alejandro - Garzon Camelo, Andres Santiago | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jun 8, 2026 | Morales Perez | 0–1 | Mateus | Round 5: Morales Perez, Ghisell - Mateus, Alejandro | Czech Defense | |
| Jun 8, 2026 | Mateus | 0–1 | Garcia Espinoza | Round 4: Mateus, Alejandro - Garcia Espinoza, Yosed Emanuel | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jun 8, 2026 | Toro Castaneda | 0–1 | Mateus | Round 3: Toro Castaneda, Elizabeth - Mateus, Alejandro | Czech Defense | |
| Jun 8, 2026 | Mateus | 0–1 | Valderrama Quiceno | Round 2: Mateus, Alejandro - Valderrama Quiceno, Esteban Alb | Pirc Defense | |
| Jun 8, 2026 | Diaz Gonzalez | 0–1 | Mateus | Round 1: Diaz Gonzalez, Ana Sofia - Mateus, Alejandro | Czech Defense | |
| Jun 7, 2026 | Mateus | 0–1 | Campos Gomez | Round 8: Mateus, Alejandro - Campos Gomez, Manuel | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jun 6, 2026 | Quesada Leon | 0–1 | Mateus | Round 7: Quesada Leon, Joshua - Mateus, Alejandro | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 5, 2026 | Mateus | 0–1 | Martinez Duany | Round 6: Mateus, Alejandro - Martinez Duany, Lelys Stanley | Modern Defense: Geller's System | |
| Jun 5, 2026 | Lu | ½–½ | Mateus | Round 5: Lu, Maximillian - Mateus, Alejandro | Réti Opening: Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line | |
| Jun 4, 2026 | Mateus | 1–0 | Leal Escamilla | Round 4: Mateus, Alejandro - Leal Escamilla, Daniel Zinedine | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jun 4, 2026 | Martinez Ramirez | 1–0 | Mateus | Round 3: Martinez Ramirez, Lennis - Mateus, Alejandro | Réti Opening: Anglo-Slav Variation, with g3 | |
| Jun 4, 2026 | Barrios Cruz | 0–1 | Mateus | Round 1: Barrios Cruz, Mario Antonio - Mateus, Alejandro | Sicilian Defense: Modern Variations | |
| Jun 3, 2026 | Mateus | ½–½ | Flores Quillas | Round 2: Mateus, Alejandro - Flores Quillas, Diego Saul Rodri | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Apr 5, 2026 | Campos Gomez | 1–0 | Mateus | Round 7: Campos Gomez, Manuel - Mateus, Alejandro | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 5, 2026 | Mateus | ½–½ | Rodriguez Valencia | Round 6: Mateus, Alejandro - Rodriguez Valencia, Sebastian | Sicilian Defense: Delayed Alapin Variation | |
| Apr 5, 2026 | Mateus | 0–1 | Cano Alcaraz | Round 5: Mateus, Alejandro - Cano Alcaraz, Juan Jose | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Apr 5, 2026 | Aponte Castillo | 0–1 | Mateus | Round 4: Aponte Castillo, Jose Ernesto - Mateus, Alejandro | Catalan Opening: Closed, Main Line | |
| Apr 5, 2026 | Mateus | 1–0 | Agudelo | Round 3: Mateus, Alejandro - Agudelo, Carlos Hernan | ? | |
| Apr 5, 2026 | Pacheco | 1–0 | Mateus | Round 2: Pacheco, Juan Diego - Mateus, Alejandro | Queen's Pawn Game: Accelerated London System | |
