| Jun 21, 2026 | Muniz | 1–0 | Genta | Round 9: Muniz, Rafael - Genta, Alejandro | Sicilian Defense: Kan Variation | |
| Jun 21, 2026 | Curi | 1–0 | Muniz | Round 8: Curi, Gabriel - Muniz, Rafael | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jun 21, 2026 | Muniz | 1–0 | Martello | Round 7: Muniz, Rafael - Martello, Benjamin | Philidor Defense: Lion Variation | |
| Jun 21, 2026 | Muniz | 0–1 | Benitez | Round 5: Muniz, Rafael - Benitez, Andres | Sicilian Defense: Kan Variation, Wing Attack | |
| Jun 21, 2026 | Canias | ½–½ | Muniz | Round 4: Canias, Federico - Muniz, Rafael | Queen's Indian Defense: Fianchetto Variation, Rubinstein Variation | |
| Jun 21, 2026 | Muniz | 1–0 | Kulik | Round 3: Muniz, Rafael - Kulik, Nicolas | Sicilian Defense: Najdorf Variation | |
| Jun 21, 2026 | Elena | 0–1 | Muniz | Round 2: Elena, Eduardo - Muniz, Rafael | Indian Defense: Spielmann-Indian | |
| Jun 21, 2026 | Muniz | 1–0 | Machado | Round 1: Muniz, Rafael - Machado, Frank | French Defense: Alekhine-Chatard Attack | |
| Jun 20, 2026 | Elena | 0–1 | Muniz | Round 7: Elena, Eduardo - Muniz, Rafael | Sicilian Defense: Lasker-Pelikan Variation | |
| Jun 20, 2026 | Muniz | 1–0 | Genta | Round 6: Muniz, Rafael - Genta, Alejandro | Sicilian Defense: Kan Variation, Modern Variation | |
| Jun 20, 2026 | Ibanez | 0–1 | Muniz | Round 4: Ibanez, Rodrigo - Muniz, Rafael | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jun 20, 2026 | Muniz | ½–½ | Canias | Round 3: Muniz, Rafael - Canias, Federico | Sicilian Defense: Hyperaccelerated Pterodactyl | |
| Jun 20, 2026 | Delbono | 0–1 | Muniz | Round 2: Delbono, Nicolas - Muniz, Rafael | Trompowsky Attack | |
| Jun 20, 2026 | Muniz | 1–0 | Aires Pineiro | Round 1: Muniz, Rafael - Aires Pineiro, Washington | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 20, 2026 | Vazquez | 1–0 | Muniz | Round 6: Vazquez, Facundo - Muniz, Rafael | Indian Defense: Knights Variation | |
| Jun 20, 2026 | Vazquez | 1–0 | Muniz | Round 5: Vazquez, Facundo - Muniz, Rafael | English Opening: King's English Variation, Three Knights System | |
| Jun 7, 2026 | Muniz | 1–0 | Guerrero | Round 5: Muniz, Rafael - Guerrero, Alvaro | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Jun 6, 2026 | Muniz | 1–0 | Lopez Azambuja | Round 3: Muniz, Rafael - Lopez Azambuja, Nicolas | French Defense: McCutcheon Variation, Janowski Variation | |
| Jun 6, 2026 | Miller | 0–1 | Muniz | Round 2: Miller, Ariel - Muniz, Rafael | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 5, 2026 | Muniz | 1–0 | Posada | Round 1: Muniz, Rafael - Posada, Charlie | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Jun 5, 2026 | Rodriguez Vila | 1–0 | Muniz | Round 4: Rodriguez Vila, Andres - Muniz, Rafael | Zukertort Opening | |
| Feb 16, 2026 | Curi | ½–½ | Muniz | Round 7: Curi, Gabriel - Muniz, Rafael | Philidor Defense: Exchange Variation | |
| Feb 16, 2026 | Muniz | 1–0 | Errazola | Round 6: Muniz, Rafael - Errazola, Mauricio | Alekhine Defense: Scandinavian Variation | |
| Feb 15, 2026 | Martinez Tagliafico | 0–1 | Muniz | Round 5: Martinez Tagliafico, Sergio - Muniz, Rafael | Indian Defense: Knights Variation | |
| Feb 15, 2026 | Varela | ½–½ | Muniz | Round 4: Varela, Mateo - Muniz, Rafael | Sicilian Defense: Kan Variation, Modern Variation | |
| Feb 14, 2026 | Muniz | 1–0 | Cardarelli | Round 3: Muniz, Rafael - Cardarelli, Leon | Van Geet Opening: Berlin Gambit | |
| Feb 14, 2026 | Muniz | ½–½ | Miller | Round 2: Muniz, Rafael - Miller, Ariel | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Feb 13, 2026 | Borgiani | 0–1 | Muniz | Round 1: Borgiani, Francisco - Muniz, Rafael | Sicilian Defense: French Variation | |
| Feb 12, 2026 | Muniz | ½–½ | Carbone | Round 8: Muniz, Rafael - Carbone, Diego | Four Knights Game: Scotch Variation | |
| Feb 7, 2026 | Carbone | 0–1 | Muniz | Round 9: Carbone, Diego - Muniz, Rafael | Benoni Defense | |
| Feb 2, 2026 | Hernandez Guerrero | 1–0 | Muniz | Round 4: Hernandez Guerrero, Gilberto - Muniz, Rafael | Sicilian Defense: French Variation, Westerinen Attack | |
| Jan 31, 2026 | Tristan | 1–0 | Muniz | Round 2: Tristan, Leonardo - Muniz, Rafael | Nimzo-Indian Defense: Normal Variation | |
| Feb 19, 2022 | Muniz | 0–1 | Nejanky | V Abierto de Montevideo | Zukertort Opening | |
| Feb 18, 2022 | Espel | ½–½ | Muniz | V Abierto de Montevideo | English Opening: King's English Variation, Troger Defense | |
| Feb 17, 2022 | Muniz | ½–½ | Araque | V Abierto de Montevideo | French Defense: Advance Variation | |
| Feb 16, 2022 | Moccero | 0–1 | Muniz | V Abierto de Montevideo | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Feb 15, 2022 | Muniz | 0–1 | Vitoux | V Abierto de Montevideo | Alekhine Defense: Brooklyn Variation | |
| Feb 14, 2022 | Davila Texeira | * | Muniz | V Abierto de Montevideo | ? | |
| Feb 13, 2022 | Muniz | 0–1 | Roselli Mailhe | V Abierto de Montevideo | French Defense: Winawer Variation, Classical Variation | |
| Feb 13, 2022 | Lanzilotta | 0–1 | Muniz | V Abierto de Montevideo | Czech Defense | |
| Feb 12, 2022 | Muniz | 1–0 | Bon | V Abierto de Montevideo | Sicilian Defense: Kan Variation, Modern Variation | |
| May 23, 2021 | Muniz | ½–½ | Umetsubo | American Hybrid World Cup Qualifier #4 | ? | |
| May 22, 2021 | Umetsubo | 1–0 | Muniz | American Hybrid World Cup Qualifier #4 | Queen's Gambit Accepted: Classical Defense, Rubinstein Variation | |