| Jun 28, 2026 | Melian | 1–0 | Monteiro | X Caioba - STD | Sicilian Defense: Czerniak Attack | |
| Feb 17, 2026 | Monteiro | ½–½ | Monteiro | I IRT STD U2400 – CX Maringá 2026 | Queen's Gambit Declined: Three Knights Variation | |
| Feb 16, 2026 | Ramazzotte | 1–0 | Monteiro | Round 5: Ramazzotte, Esther Zilli - Monteiro, Samuel Ramazzotte | Dutch Defense: Classical Variation | |
| Feb 16, 2026 | Monteiro | 1–0 | Vieira | I IRT STD U2400 – CX Maringá 2026 | King's Indian Defense: Fianchetto Variation, Hungarian Variation | |
| Feb 15, 2026 | Mafra | ½–½ | Monteiro | Round 3: Mafra, Kaiser Luiz - Monteiro, Samuel Ramazzotte | Sicilian Defense: French Variation | |
| Feb 15, 2026 | Monteiro | 1–0 | Dos Santos | I IRT STD U2400 – CX Maringá 2026 | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Feb 14, 2026 | Monteiro | 1–0 | Ogawa | I IRT STD U2400 – CX Maringá 2026 | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Feb 14, 2026 | Murata Filho | 0–1 | Monteiro | I IRT STD U2400 – CX Maringá 2026 | Sicilian Defense: Four Knights Variation | |
| Jan 18, 2026 | Monteiro | 0–1 | Quintiliano | BCS Floripa - STD | King's Indian Attack | |
| Apr 10, 2025 | Monteiro | 1–0 | Stamenkovic | ISF U15 Gymnasiade 2025 - Boys Blitz | King's Indian Attack | |
| Apr 10, 2025 | Monteiro | 0–1 | Jiang | ISF U15 Gymnasiade 2025 - Boys Blitz | Zukertort Opening: Sicilian Invitation | |
| Apr 10, 2025 | Monteiro | 0–1 | Krishav Kavit Shah | ISF U15 Gymnasiade 2025 - Boys Blitz | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Apr 10, 2025 | Monteiro | 1–0 | Valdez Montiel | ISF U15 Gymnasiade 2025 - Boys Blitz | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Apr 10, 2025 | Movahed | 1–0 | Monteiro | ISF U15 Gymnasiade 2025 - Boys Blitz | Sicilian Defense: French Variation | |
| Apr 10, 2025 | Suzuki | 0–1 | Monteiro | ISF U15 Gymnasiade 2025 - Boys Blitz | Sicilian Defense: Kan Variation | |
| Apr 10, 2025 | Alizada | 1–0 | Monteiro | ISF U15 Gymnasiade 2025 - Boys Blitz | Sicilian Defense: Smith-Morra Gambit | |
| Apr 6, 2025 | Monteiro | 0–1 | Abbasi Abeluie | ISF U15 Gymnasiade 2025 - Boys Rapid | King's Indian Attack: Spassky Variation | |
| Apr 6, 2025 | Monteiro | 0–1 | Yeganegi | ISF U15 Gymnasiade 2025 - Boys Rapid | Zukertort Opening | |
| Apr 6, 2025 | Monteiro | ½–½ | Aghazaryan | ISF U15 Gymnasiade 2025 - Boys Rapid | Zukertort Opening: Queenside Fianchetto Variation | |
| Apr 6, 2025 | Torosyan | 1–0 | Monteiro | ISF U15 Gymnasiade 2025 - Boys Rapid | King's Indian Attack: Sicilian Variation | |
| Jan 22, 2025 | Almeida Junior | ½–½ | Monteiro | Round 5: Almeida Junior, Alvaro Alves de - Monteiro, Samuel Ramazzotte | Sicilian Defense: Four Knights Variation | |
| Jan 22, 2025 | Monteiro | 1–0 | Campelo | Round 4: Monteiro, Samuel Ramazzotte - Campelo, Leandro Fabricio | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Jan 22, 2025 | Monteiro | 0–1 | Bueno | Round 2: Monteiro, Samuel Ramazzotte - Bueno, Alfeu Junior Varela | Zukertort Opening: Queen's Gambit Invitation | |
| Jan 16, 2025 | Monteiro | 0–1 | Lorenzon | Round 6: Monteiro, Samuel Ramazzotte - Lorenzon, Eduardo Lucas | King's Indian Attack | |
| Jun 24, 2024 | Monteiro | 0–1 | Flores Quillas | Round 1: Monteiro, Samuel Ramazzotte - Flores Quillas, Diego Saul Rodri | Zukertort Opening: Sicilian Invitation | |
| Jun 23, 2024 | Monteiro | 0–1 | Flores Quillas | Round 1: Monteiro, Samuel Ramazzotte - Flores Quillas, Diego Saul Rodri | Zukertort Opening: Sicilian Invitation | |
| Dec 7, 2024 | Monteiro | 1–0 | Burgers | Round 7: Monteiro, Samuel Ramazzotte - Burgers, Cle Antonius | Queen's Pawn Game: Chigorin Variation | |
| Dec 7, 2024 | Arias Diaz | 1–0 | Monteiro | Round 8: Arias Diaz, Javier Alonso - Monteiro, Samuel Ramazzotte | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 5, 2024 | Monteiro | ½–½ | Cajamarca Gordillo | Round 5: Monteiro, Samuel Ramazzotte - Cajamarca Gordillo, Sebastian Alejandro | King's Indian Attack | |
| Dec 5, 2024 | Franco Jimenez | 1–0 | Monteiro | Round 6: Franco Jimenez, Jesus Adrian - Monteiro, Samuel Ramazzotte | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Dec 4, 2024 | Monteiro | ½–½ | Palomino Quispe | Round 3: Monteiro, Samuel Ramazzotte - Palomino Quispe, Mateo Henry | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Dec 4, 2024 | Martinez | 0–1 | Monteiro | Round 4: Martinez, Valentino - Monteiro, Samuel Ramazzotte | Sicilian Defense: Taimanov Variation | |
| Dec 3, 2024 | Monteiro | 1–0 | Areco Alvarenga | Round 1: Monteiro, Samuel Ramazzotte - Areco Alvarenga, Eric Adriel | King's Indian Attack | |
| Dec 3, 2024 | Ayala Delgado | 1–0 | Monteiro | Round 2: Ayala Delgado, Sergio Alejandro - Monteiro, Samuel Ramazzotte | Trompowsky Attack | |
| — | Monteiro | 0–1 | Jaramillo Daza | Round 2: Monteiro, Samuel Ramazzotte - Jaramillo Daza, David | Neo-Grünfeld Defense: Classical Variation | |
| — | Monteiro | 0–1 | Petukhov | Round 3: Monteiro, Samuel Ramazzotte - Petukhov, Alan | Zukertort Opening: Sicilian Invitation | |
| — | Monteiro | 1–0 | Duarte Cramer | Round 5: Monteiro, Samuel Ramazzotte - Duarte Cramer, Lily Jeanette | King's Indian Attack: Keres Variation | |
| — | Monteiro | 1–0 | El Hage Serrano | Round 7: Monteiro, Samuel Ramazzotte - El Hage Serrano, Caely | Zukertort Opening: Sicilian Invitation | |
| — | Vera Perez | 0–1 | Monteiro | Round 1: Vera Perez, Gabriela S. - Monteiro, Samuel Ramazzotte | French Defense: Advance Variation, Paulsen Attack | |
| — | Toro Suarez | 1–0 | Monteiro | Round 4: Toro Suarez, Frank Sebastian - Monteiro, Samuel Ramazzotte | Sicilian Defense: Closed, Korchnoi Defense | |
| — | Wilson | ½–½ | Monteiro | Round 6: Wilson, Dion A - Monteiro, Samuel Ramazzotte | Sicilian Defense: Closed | |
| — | Campos Munoz | 1–0 | Monteiro | Round 8: Campos Munoz, Valentina - Monteiro, Samuel Ramazzotte | Sicilian Defense: Closed | |
| — | Acuna Alarcon | 1–0 | Monteiro | Round 9: Acuna Alarcon, Claudia Micaela - Monteiro, Samuel Ramazzotte | Sicilian Defense: Four Knights Variation, Exchange Variation | |
