| Jul 28, 2025 | Amaro Jimenez | 0–1 | Montiel Martinez | Ronda 9: Amaro Jimenez, Eduardo - Montiel Martinez, Carlos Arnulfo | Sicilian Defense: Snyder Variation | |
| Jul 28, 2025 | Montiel Martinez | 0–1 | Vazquez Vazquez | Ronda 8: Montiel Martinez, Carlos Arnulfo - Vazquez Vazquez, Zenon | Scotch Game: Mieses Variation | |
| Jul 28, 2025 | Espinoza Briones | 0–1 | Montiel Martinez | Ronda 7: Espinoza Briones, Aldo Ivan - Montiel Martinez, Carlos Arnulfo | Sicilian Defense: Richter-Rauzer Variation | |
| Jul 28, 2025 | Montiel Martinez | 0–1 | Nipita Medina | Ronda 6: Montiel Martinez, Carlos Arnulfo - Nipita Medina, Jesus Hassan | Modern Defense | |
| Jul 28, 2025 | Cesar Vidal | 0–1 | Montiel Martinez | Ronda 5: Cesar Vidal, Fernando - Montiel Martinez, Carlos Arnulfo | Sicilian Defense: Classical Variation, Anti-Sozin Variation | |
| Jul 28, 2025 | Montiel Martinez | 0–1 | Sanchez Ortiz | Ronda 4: Montiel Martinez, Carlos Arnulfo - Sanchez Ortiz, Diego Alonso | Scotch Game: Schmidt Variation | |
| Jul 27, 2025 | Montes Salas | 0–1 | Montiel Martinez | Ronda 3: Montes Salas, Jose Antonio - Montiel Martinez, Carlos Arnulfo | Sicilian Defense: Classical Variation | |
| Jul 27, 2025 | Montiel Martinez | 1–0 | Gonzalez | Ronda 2: Montiel Martinez, Carlos Arnulfo - Gonzalez, Gonzalez Isaac | Philidor Defense: Lion Variation | |
| Jul 27, 2025 | Luis Fernando Garcia Juarez | 1–0 | Montiel Martinez | Ronda 1: Luis Fernando Garcia Juarez - Montiel Martinez, Carlos Arnulfo | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 27, 2025 | Montiel Martinez | 0–1 | Pizon | Ronda 6: Montiel Martinez, Carlos Arnulfo - Pizon, Edwin | Scotch Game | |
| Jul 27, 2025 | De Ita Dominguez | 0–1 | Montiel Martinez | Ronda 5: De Ita Dominguez, Santiago - Montiel Martinez, Carlos Arnulfo | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Jul 27, 2025 | Montiel Martinez | 1–0 | Castillo Rodriguez | Ronda 4: Montiel Martinez, Carlos Arnulfo - Castillo Rodriguez, Gabriela | Alekhine Defense: Exchange Variation | |
| Jul 27, 2025 | Gonzalez | 1–0 | Montiel Martinez | Ronda 3: Gonzalez, Gonzalez Isaac - Montiel Martinez, Carlos Arnulfo | Sicilian Defense: Chekhover Variation | |
| Jul 27, 2025 | Montiel Martinez | 1–0 | Moreno Toxqui | Ronda 2: Montiel Martinez, Carlos Arnulfo - Moreno Toxqui, Leonardo | Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations | |
| Jul 27, 2025 | Guevara Olmos | 0–1 | Montiel Martinez | Ronda 1: Guevara Olmos, Ernesto - Montiel Martinez, Carlos Arnulfo | Queen's Pawn Game: Colle System | |
| — | Montiel Martinez | 1–0 | Gonzalez Brito | Ronda 2: Montiel Martinez, Carlos Arnulfo - Gonzalez Brito, Abraham Eloy | Sicilian Defense: Kalashnikov Variation | |
| — | Montiel Martinez | 0–1 | Garcia Flores | Ronda 3: Montiel Martinez, Carlos Arnulfo - Garcia Flores, Diego Agustin | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
