| Jul 18, 2026 | Munoz | 1–0 | Arismendi Barragan | Round 7: Munoz, Andres Mauricio - Arismendi Barragan, Eithan David | Sicilian Defense: Löwenthal Variation | |
| Jul 18, 2026 | Carlos Daniel MarIn M. | * | Arismendi Barragan | Round 5: Carlos Daniel MarIn M. - Arismendi Barragan, Eithan David | ? | |
| Jul 18, 2026 | Riscanevo Perez | 1–0 | Arismendi Barragan | Round 3: Riscanevo Perez, Jose Reyes - Arismendi Barragan, Eithan David | Sicilian Defense: Lasker-Pelikan Variation, Retreat Variation | |
| Jul 18, 2026 | Arismendi Barragan | 0–1 | Jimenez Mendez | Round 2: Arismendi Barragan, Eithan David - Jimenez Mendez, William | ? | |
| Jul 18, 2026 | Sanabria Bello | 1–0 | Arismendi Barragan | Round 1: Sanabria Bello, Javier - Arismendi Barragan, Eithan David | King's Indian Defense: Makogonov Variation | |
| Jun 20, 2026 | Mejia Rosas | 1–0 | Arismendi Barragan | Round 7: Mejia Rosas, Dario - Arismendi Barragan, Eithan David | Sicilian Defense: Old Sicilian | |
| Jun 20, 2026 | Arismendi Barragan | 1–0 | Rodrigo Zarate Algecira | Round 6: Arismendi Barragan, Eithan David - Rodrigo Zarate Algecira | Owen Defense | |
| Jun 20, 2026 | Medrano Cardenas | 1–0 | Arismendi Barragan | Round 5: Medrano Cardenas, Miguel Angel - Arismendi Barragan, Eithan David | Sicilian Defense: Old Sicilian | |
| Jun 20, 2026 | Arismendi Barragan | 1–0 | Nicolas Pardo Castillo | Round 4: Arismendi Barragan, Eithan David - Nicolas Pardo Castillo | Bishop's Opening: Vienna Hybrid | |
| Jun 20, 2026 | Acosta Neira | 1–0 | Arismendi Barragan | Round 3: Acosta Neira, Jaime - Arismendi Barragan, Eithan David | English Opening: Anglo-Indian Defense | |
| Jun 20, 2026 | Arismendi Barragan | 0–1 | Vargas Sanchez | Round 2: Arismendi Barragan, Eithan David - Vargas Sanchez, German Gonzalo | Sicilian Defense: Modern Variations | |
| Jun 20, 2026 | Basilio Santos | 1–0 | Arismendi Barragan | Round 1: Basilio Santos, Eleazar - Arismendi Barragan, Eithan David | London System | |
| Mar 23, 2026 | Arismendi Barragan | * | Gurrute Samboni | Round 7: Arismendi Barragan, Eithan David - Gurrute Samboni, Samuel Josue | Petrov's Defense: Cozio Attack | |
| Mar 23, 2026 | Sotelo Acosta | 0–1 | Arismendi Barragan | Round 6: Sotelo Acosta, Mathias Emilio - Arismendi Barragan, Eithan David | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Mar 22, 2026 | Eithan David Arismendi Barragan | 1–0 | Ferrada Parada | Round 5: Eithan David Arismendi Barragan - Ferrada Parada, Mateo Eduardo | Sicilian Defense: Bowdler Attack | |
| Mar 22, 2026 | Obando Reyes | 1–0 | Eithan David Arismendi Barragan | Round 4: Obando Reyes, Santiago - Eithan David Arismendi Barragan | French Defense: Knight Variation | |
| Mar 22, 2026 | Eithan David Arismendi Barragan | 1–0 | Justin Alejandro Gamba Soler | Round 3: Eithan David Arismendi Barragan - Justin Alejandro Gamba Soler | French Defense | |
| Mar 21, 2026 | Infante Hernandez | 1–0 | Eithan David Arismendi Barragan | Round 2: Infante Hernandez, Samuel David - Eithan David Arismendi Barragan | London System | |
| Mar 20, 2026 | Eithan David Arismendi Barragan | 0–1 | Duarte Guiza | Round 1: Eithan David Arismendi Barragan - Duarte Guiza, Fredy Samuel | Italian Game: Giuoco Piano | |