| Feb 17, 2026 | Izquierdo | ½–½ | Lamas | Round 8: Izquierdo, Sebastian - Lamas, Joaquin | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Feb 16, 2026 | Busca | ½–½ | Izquierdo | Round 7: Busca, Joaquin - Izquierdo, Sebastian | English Opening: Anglo-Dutch Defense | |
| Feb 16, 2026 | Izquierdo | ½–½ | Werle | Round 6: Izquierdo, Sebastian - Werle, Carolin | Queen's Pawn Game | |
| Feb 15, 2026 | Izquierdo | ½–½ | Rivas Puch | Round 4: Izquierdo, Sebastian - Rivas Puch, Juan | East Indian Defense | |
| Feb 14, 2026 | Fabra | ½–½ | Izquierdo | Round 3: Fabra, Nahiara - Izquierdo, Sebastian | Philidor Defense: Morphy Gambit | |
| Feb 14, 2026 | Izquierdo | 0–1 | Carbone | Round 2: Izquierdo, Sebastian - Carbone, Diego | English Opening: Agincourt Defense, Wimpy System | |
| Feb 1, 2026 | Rodi | 1–0 | Izquierdo | Round 3: Rodi, Luis Ernesto - Izquierdo, Sebastian | Caro-Kann Defense: Classical Variation, Main Line | |
| Nov 24, 2025 | Izquierdo | 0–1 | Rodriguez Vila | Round 2: Izquierdo, Sebastian - Rodriguez Vila, Andres | Horwitz Defense | |
| Mar 24, 2025 | Flores | 1–0 | Izquierdo | Round 10: Flores, Diego - Izquierdo, Sebastian | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Mar 24, 2025 | Izquierdo | 1–0 | Coppola | Round 9: Izquierdo, Sebastian - Coppola, Claudio | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Mar 23, 2025 | Mellano | ½–½ | Izquierdo | Round 8: Mellano, Santiago - Izquierdo, Sebastian | Queen's Pawn Game: Zukertort Variation | |
| Mar 22, 2025 | Rodriguez Vila | 1–0 | Izquierdo | Round 2: Rodriguez Vila, Andres - Izquierdo, Sebastian | Queen's Pawn Game: Veresov Attack, Dutch System | |
| Mar 21, 2025 | Izquierdo | 0–1 | Vazquez | Round 10: Izquierdo, Sebastian - Vazquez, Facundo | Indian Defense: Knights Variation | |
| Mar 21, 2025 | Paveto | 1–0 | Izquierdo | Round 7: Paveto, Kevin - Izquierdo, Sebastian | Scandinavian Defense: Modern Variation, Gipslis Variation | |
| Mar 21, 2025 | Villanueva | 1–0 | Izquierdo | Round 5: Villanueva, Mario - Izquierdo, Sebastian | Scandinavian Defense: Modern Variation | |
| Mar 21, 2025 | Izquierdo | 0–1 | Mareco | Round 2: Izquierdo, Sebastian - Mareco, Sandro | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Feb 12, 2024 | Sebastian Izquierdo | 0–1 | Coppola | Uruguay Chess Championship - Semifinal 2024 | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Nov 10, 2024 | Izquierdo | 0–1 | Contin | Round 5: Izquierdo, Sebastian - Contin, Daniel | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Nov 9, 2024 | Izquierdo | ½–½ | Spector | Round 4: Izquierdo, Sebastian - Spector, Sebastian | Queen's Indian Defense: Fianchetto Variation, Sämisch Variation | |
| Feb 11, 2023 | Martinez Sandoval | 1–0 | Izquierdo | VI Abierto de Montevideo | Caro-Kann Defense: Breyer Variation | |
| Feb 10, 2023 | Izquierdo | ½–½ | Amura | VI Abierto de Montevideo | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Feb 9, 2023 | Steiner | 0–1 | Izquierdo | VI Abierto de Montevideo | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Feb 8, 2023 | Izquierdo | 1–0 | Nettelbeck | VI Abierto de Montevideo | English Opening: Symmetrical Variation, Fianchetto Variation | |
| Feb 7, 2023 | Izquierdo | 1–0 | Osinaga | VI Abierto de Montevideo | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Feb 7, 2023 | Heredia | 1–0 | Izquierdo | VI Abierto de Montevideo | Catalan Opening: Open Defense, Classical Line | |
| Feb 5, 2023 | Martello | ½–½ | Izquierdo | VI Abierto de Montevideo | Trompowsky Attack | |
| Feb 4, 2023 | Izquierdo | 0–1 | Hoffman | VI Abierto de Montevideo | Zukertort Opening: Kingside Fianchetto | |
| Feb 3, 2023 | Fuentes | * | Izquierdo | VI Abierto de Montevideo | ? | |
