| Jul 18, 2026 | Errazola | 1–0 | Hiriart | Round 9: Errazola, Mauricio - Hiriart, Guillermo | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 17, 2026 | Errazola | 0–1 | Braso | Round 5: Errazola, Mauricio - Braso, Jorge | Trompowsky Attack | |
| Jul 17, 2026 | Durante | ½–½ | Errazola | Round 4: Durante, Aurelio - Errazola, Mauricio | Alekhine Defense: Exchange Variation | |
| Jul 17, 2026 | Toledo | 0–1 | Errazola | Round 2: Toledo, Javier - Errazola, Mauricio | Alekhine Defense: Modern Variation, Schmid Variation | |
| Jul 17, 2026 | Errazola | 1–0 | Indart | Round 1: Errazola, Mauricio - Indart, Lucio | Trompowsky Attack: Classical Defense, Big Center Variation | |
| Jul 16, 2026 | Errazola | 0–1 | Vazquez | Round 3: Errazola, Mauricio - Vazquez, Facundo | Nimzo-Larsen Attack: Classical Variation | |
| Jun 21, 2026 | Errazola | 0–1 | Lopez Azambuja | Round 2: Errazola, Mauricio - Lopez Azambuja, Nicolas | Indian Defense: Knights Variation | |
| Feb 17, 2026 | Lanzilotta | 1–0 | Errazola | Round 8: Lanzilotta, Filippo - Errazola, Mauricio | French Defense: Advance Variation, Milner-Barry Gambit | |
| Feb 16, 2026 | Errazola | ½–½ | Soto | Round 7: Errazola, Mauricio - Soto, Nicolas | Nimzo-Larsen Attack: Classical Variation | |
| Feb 16, 2026 | Muniz | 1–0 | Errazola | Round 6: Muniz, Rafael - Errazola, Mauricio | Alekhine Defense: Scandinavian Variation | |
| Feb 15, 2026 | Errazola | 1–0 | Werle | Round 5: Errazola, Mauricio - Werle, Carolin | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Feb 15, 2026 | Diaz Delograsi | 0–1 | Errazola | Round 4: Diaz Delograsi, Francisco - Errazola, Mauricio | Bogo-Indian Defense: Retreat Variation | |
| Feb 14, 2026 | Errazola | 1–0 | Vassallo | Round 3: Errazola, Mauricio - Vassallo, Mariano | Zukertort Opening: Sicilian Invitation | |
| Feb 12, 2026 | Rodi | 1–0 | Errazola | Round 2: Rodi, Luis Ernesto - Errazola, Mauricio | Nimzo-Indian Defense: Kmoch Variation | |
| Nov 24, 2025 | Errazola | 0–1 | Cuevas | Round 2: Errazola, Mauricio - Cuevas, Alex | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Mar 21, 2025 | Egger | 1–0 | Errazola | Round 12: Egger, Jorge - Errazola, Mauricio | Alekhine Defense: Modern Variation, Schmid Variation | |
| Mar 21, 2025 | Cuenca Jimenez | 1–0 | Errazola | Round 8: Cuenca Jimenez, Jose Fernando - Errazola, Mauricio | English Defense | |
| Mar 21, 2025 | Mareco | 1–0 | Errazola | Round 1: Mareco, Sandro - Errazola, Mauricio | Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense | |
| Jun 23, 2024 | Errazola | 1–0 | Cardarelli | Round 5: Errazola, Mauricio - Cardarelli, Leon | Zukertort Opening: Nimzo-Larsen Variation | |
| Jun 22, 2024 | Errazola | 0–1 | Guerrero | Round 3: Errazola, Mauricio - Guerrero, Alvaro | Trompowsky Attack: Classical Defense, Big Center Variation | |
| May 18, 2024 | Errazola | 0–1 | Vazquez | Round 4: Errazola, Mauricio - Vazquez, Facundo | Zukertort Opening: Quiet System | |
| May 18, 2024 | Manteiga | ½–½ | Errazola | Round 3: Manteiga, Franco - Errazola, Mauricio | Mexican Defense | |
| Feb 5, 2023 | Araque | 1–0 | Errazola | VI Abierto de Montevideo | Indian Defense | |
| Feb 3, 2023 | El Ters | 1–0 | Errazola | VI Abierto de Montevideo | Alekhine Defense: Scandinavian Variation | |