| 23 jul 2026 | Ribeiro, Matheus Mendes Domingues 2345 | Dominguez, Facundo 2163 | ½-½ | A05 Apertura Zukertort: Nimzo-Larsen Variation | La Proa de Fiesta - ITT | 74 | Ver |
| 22 jul 2026 | Elena, Eduardo 2116 | Ribeiro, Matheus Mendes Domingues 2345 | 0-1 | C07 Defensa Francesa: Tarrasch Variation, Chistyakov Defense | La Proa de Fiesta - ITT | 44 | Ver |
| 22 jul 2026 | Ribeiro, Matheus Mendes Domingues 2345 | Kulik, Nicolas 2128 | 1-0 | A05 Ataque Indio de Rey | La Proa de Fiesta - ITT | 46 | Ver |
| 21 jul 2026 | Ocampos, Ian 2325 | Ribeiro, Matheus Mendes Domingues 2345 | ½-½ | C11 Defensa Francesa: Classical Variation | La Proa de Fiesta - ITT | 68 | Ver |
| 20 jul 2026 | Ribeiro, Matheus Mendes Domingues 2345 | Coppola, Claudio 2245 | 1-0 | A15 Apertura Inglesa: Anglo-Indian Defense, King's Indian Formation | La Proa de Fiesta - ITT | 78 | Ver |
| 5 jul 2026 | Rojas Salas, Steven 2419 | Ribeiro, Matheus Mendes Domingues 2345 | ½-½ | C00 Defensa Francesa | X Caioba STD | 85 | Ver |
| 4 jul 2026 | Ribeiro, Matheus Mendes Domingues 2345 | Alonso, Salvador 2442 | ½-½ | D76 Defensa Neogrünfeld: Delayed Exchange Variation | X Caioba STD | 81 | Ver |
| 3 jul 2026 | Becker, Rogerio Sperb 2173 | Ribeiro, Matheus Mendes Domingues 2345 | 0-1 | C11 Defensa Francesa: Classical Variation, Burn Variation, Morozevich Line | X Caioba STD | 108 | Ver |
| 2 jul 2026 | Ribeiro, Matheus Mendes Domingues 2345 | Delgado Ramirez, Neuris 2519 | ½-½ | A07 Ataque Indio de Rey | X Caioba STD | 34 | Ver |
| 27 jun 2026 | Hungaski, Robert 2434 | Ribeiro, Matheus Mendes Domingues 2271 | ½-½ | C00 Defensa Francesa: La Bourdonnais Variation | X Caioba RPD | 69 | Ver |
| 27 jun 2026 | Ribeiro, Matheus Mendes Domingues 2271 | Fier, Alexandr 2545 | 0-1 | A07 Ataque Indio de Rey | X Caioba RPD | 64 | Ver |
| 1 jun 2026 | Ribeiro, Matheus Mendes Domingues 2331 | Ticona Rocabado, Licael Roderick 2431 | 0-1 | A34 Apertura Inglesa: Symmetrical Variation, Rubinstein Variation | 4o. ITT de la Bandera 2026 | 47 | Ver |
| 1 jun 2026 | De Siqueira, Luigy Lira 2249 | Ribeiro, Matheus Mendes Domingues 2331 | 0-1 | C00 Defensa Francesa: Two Knights Variation | 4o. ITT de la Bandera 2026 | 75 | Ver |
| 1 jun 2026 | Mizzau, Pablo 2260 | Ribeiro, Matheus Mendes Domingues 2331 | ½-½ | B60 Defensa Siciliana: Richter-Rauzer Variation | 4o. ITT de la Bandera 2026 | 71 | Ver |
| 1 jun 2026 | Ribeiro, Matheus Mendes Domingues 2331 | Arias Gaviria, Mario Alexis 2250 | 0-1 | A07 King's Indian Attack, with e6 | 4o. ITT de la Bandera 2026 | 66 | Ver |
| 1 jun 2026 | Acosta, Pablo Ismael 2473 | Ribeiro, Matheus Mendes Domingues 2331 | 0-1 | D50 Gambito de Dama rehusado: Modern Variation | 4o. ITT de la Bandera 2026 | 27 | Ver |
| 1 jun 2026 | Ribeiro, Matheus Mendes Domingues 2331 | Carrizo, Luciano Ariel 2257 | 1-0 | A13 Apertura Inglesa: Agincourt Defense | 4o. ITT de la Bandera 2026 | 38 | Ver |
| 1 jun 2026 | Petti, Luca Giovanni 2334 | Ribeiro, Matheus Mendes Domingues 2331 | 1-0 | C13 Defensa Francesa: Classical Variation | 4o. ITT de la Bandera 2026 | 84 | Ver |
| 1 jun 2026 | Ribeiro, Matheus Mendes Domingues 2331 | Ibarra, Juan Martin 2284 | 1-0 | A13 Apertura Inglesa: Agincourt Defense, Catalan Defense Accepted | 4o. ITT de la Bandera 2026 | 29 | Ver |
| 1 jun 2026 | Sanhueza, Cristian 2229 | Ribeiro, Matheus Mendes Domingues 2331 | 0-1 | B23 Defensa Siciliana: Closed, Traditional | 4o. ITT de la Bandera 2026 | 44 | Ver |