| 1 feb 2026 | De Souza, Regis Gabetta 2133 | Duarte Napoles, Fanny 2246 | 0-1 | A40 Apertura de Peón de Dama | III Sampa Chess Open - BLZ | 34 | Ver |
| 1 feb 2026 | De Souza, Regis Gabetta 2133 | Pinero Rodriguez, Carlos Jose 2252 | 0-1 | A53 Defensa India Antigua | III Sampa Chess Open - BLZ | 43 | Ver |
| 1 feb 2026 | Miquelin, Nicolas Seoane 2307 | De Souza, Regis Gabetta 2133 | 0-1 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | III Sampa Chess Open - BLZ | 40 | Ver |
| 30 ene 2026 | De Souza, Regis Gabetta 2103 | Oliveira, Silvio Eduardo 2305 | 0-1 | D01 Rapport-Jobava System | III Sampa Chess Open - RPD | 27 | Ver |
| 28 ene 2026 | Bolanos, Fernando 2223 | De Souza, Regis Gabetta 2116 | 1-0 | B47 Defensa Siciliana: Taimanov Variation, Bastrikov Variation | III Sampa Chess Open - STD | 88 | Ver |