| Feb 3, 2024 | Alexandr Fier | 1–0 | Nathan Felipe Filgueiras | Sampa Chess Open STD | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Jan 25, 2024 | Pablo Salinas Herrera | 1–0 | Nathan Felipe Filgueiras | Round 7: Pablo Salinas Herrera - Nathan Felipe Filgueiras | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jan 24, 2024 | Nathan Felipe Filgueiras | ½–½ | Lucas Do Valle Cardoso | Round 6: Nathan Felipe Filgueiras - Lucas Do Valle Cardoso | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Jan 23, 2024 | Bernardo Roselli Mailhe | ½–½ | Nathan Felipe Filgueiras | Round 5: Bernardo Roselli Mailhe - Nathan Felipe Filgueiras | Queen's Gambit Declined: Modern Variation | |
| Jan 15, 2024 | Diego Rafael Di Berardino | 1–0 | Nathan Felipe Filgueiras | Round 5: Diego Rafael Di Berardino - Nathan Felipe Filgueiras | Semi-Slav Defense | |
| Nov 10, 2023 | Pranav Sathish | 1–0 | Nathan Felipe Filgueiras | Round 8: Pranav Sathish - Nathan Felipe Filgueiras | Nimzo-Larsen Attack: Classical Variation | |
| Nov 9, 2023 | Yago Labussiere | 1–0 | Nathan Felipe Filgueiras | Round 6: Yago Labussiere - Nathan Felipe Filgueiras | English Opening: King's English Variation, Bellon Gambit | |
| Nov 8, 2023 | Miguel Angel Montes Orozco | ½–½ | Nathan Felipe Filgueiras | Round 5: Miguel Angel Montes Orozco - Nathan Felipe Filgueiras | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 8, 2023 | Nathan Felipe Filgueiras | ½–½ | Juan Martin Ibarra | Round 4: Nathan Felipe Filgueiras - Juan Martin Ibarra | Caro-Kann Defense: Advance Variation, Short Variation | |
| Nov 7, 2023 | Nathan Felipe Filgueiras | ½–½ | Luigy Lira De Siqueira | Round 3: Nathan Felipe Filgueiras - Luigy Lira De Siqueira | Four Knights Game | |
| Nov 6, 2023 | Matheus Mendes Domingues Ribeiro | ½–½ | Nathan Felipe Filgueiras | Round 2: Matheus Mendes Domingues Ribeiro - Nathan Felipe Filgueiras | Queen's Indian Defense: Classical Variation, Traditional Variation | |
| Nov 6, 2023 | Nathan Felipe Filgueiras | 1–0 | Luiz Eduardo Da Trindade Nascimento | Round 1: Nathan Felipe Filgueiras - Luiz Eduardo Da Trindade Nascimento | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Oct 7, 2023 | Luca Silva | 0–1 | Nathan Felipe Filgueiras | Round 8: Luca Silva - Nathan Felipe Filgueiras | Semi-Slav Defense | |
| Oct 6, 2023 | Nathan Felipe Filgueiras | ½–½ | Maria Belen Sarquis | Round 7: Nathan Felipe Filgueiras - Maria Belen Sarquis | Sicilian Defense: Closed, Chameleon Variation | |
| Oct 5, 2023 | Nathan Felipe Filgueiras | ½–½ | Francisco Fiorito | Round 6: Nathan Felipe Filgueiras - Francisco Fiorito | Petrov's Defense: Three Knights Game | |
| Oct 4, 2023 | Ilan Schnaider | ½–½ | Nathan Felipe Filgueiras | Round 5: Ilan Schnaider - Nathan Felipe Filgueiras | Sicilian Defense: French Variation | |
| Oct 3, 2023 | Nathan Felipe Filgueiras | 1–0 | Tomas Abate | Round 4: Nathan Felipe Filgueiras - Tomas Abate | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Sep 10, 2023 | Lucas Do Valle Cardoso | 1–0 | Nathan Felipe Filgueiras | Round 9: Lucas Do Valle Cardoso - Nathan Felipe Filgueiras | Queen's Pawn Game: London System | |
| Sep 9, 2023 | Nathan Felipe Filgueiras | 1–0 | Rafael Araujo Serpa | Round 8: Nathan Felipe Filgueiras - Rafael Araujo Serpa | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Sep 9, 2023 | Matheus Mendes Domingues Ribeiro | 0–1 | Nathan Felipe Filgueiras | Round 9: Matheus Mendes Domingues Ribeiro - Nathan Felipe Filgueiras | English Opening: Four Knights System, Nimzowitsch Variation | |
| Sep 9, 2023 | Nathan Felipe Filgueiras | 0–1 | Lucas Do Valle Cardoso | Round 6: Nathan Felipe Filgueiras - Lucas Do Valle Cardoso | Sicilian Defense: Najdorf Variation | |
| Sep 8, 2023 | Charles Gauche | 0–1 | Nathan Felipe Filgueiras | Round 7: Charles Gauche - Nathan Felipe Filgueiras | Zukertort Opening: Nimzo-Larsen Variation | |
| Sep 8, 2023 | Nathan Felipe Filgueiras | 0–1 | Christian Almeida Do Nascimento | Round 4: Nathan Felipe Filgueiras - Christian Almeida Do Nascimento | Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line | |
| Sep 8, 2023 | Yago Labussiere | ½–½ | Nathan Felipe Filgueiras | Round 3: Yago Labussiere - Nathan Felipe Filgueiras | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Sep 8, 2023 | Nathan Felipe Filgueiras | 1–0 | Andre Kemper Baptista | Round 2: Nathan Felipe Filgueiras - Andre Kemper Baptista | Pirc Defense: Classical Variation, Quiet System | |
| Sep 8, 2023 | Roberto A. Ferreira De Almeida | 0–1 | Nathan Felipe Filgueiras | Round 1: Roberto A. Ferreira De Almeida - Nathan Felipe Filgueiras | Sicilian Defense: Old Sicilian | |
| Sep 7, 2023 | Yago De Moura Santiago | 1–0 | Nathan Felipe Filgueiras | Round 5: Yago De Moura Santiago - Nathan Felipe Filgueiras | Semi-Slav Defense | |
| Sep 6, 2023 | Nathan Felipe Filgueiras | ½–½ | Renato R. Quintiliano Pinto | Round 4: Nathan Felipe Filgueiras - Renato R. Quintiliano Pinto | Sicilian Defense: Closed | |
| Sep 5, 2023 | Thales Bond Dias Ferreira | 0–1 | Nathan Felipe Filgueiras | Round 3: Thales Bond Dias Ferreira - Nathan Felipe Filgueiras | Bogo-Indian Defense: Grünfeld Variation | |
| Aug 6, 2023 | Nathan Felipe Filgueiras | 0–1 | Diego Rafael Di Berardino | Round 5: Nathan Felipe Filgueiras - Diego Rafael Di Berardino | Sicilian Defense: Najdorf Variation | |
| Aug 5, 2023 | Alvaro Z. Aranha Filho | 0–1 | Nathan Felipe Filgueiras | Round 4: Alvaro Z. Aranha Filho - Nathan Felipe Filgueiras | Semi-Slav Defense: Stoltz Variation | |
| Aug 5, 2023 | Nathan Felipe Filgueiras | ½–½ | Caic Dos Santos Seccafim | Round 3: Nathan Felipe Filgueiras - Caic Dos Santos Seccafim | Benko Gambit: Zaitsev System | |
| Aug 4, 2023 | Luiz Claudio Parijos De Melo | 0–1 | Nathan Felipe Filgueiras | Round 2: Luiz Claudio Parijos De Melo - Nathan Felipe Filgueiras | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 4, 2023 | Nathan Felipe Filgueiras | 1–0 | Bernardo Steinle Matiuci | Round 1: Nathan Felipe Filgueiras - Bernardo Steinle Matiuci | Sicilian Defense: Lasker-Pelikan Variation | |
| Jul 15, 2023 | Lucas Costamilan Tomiello | 0–1 | Nathan Felipe Filgueiras | Round 9: Lucas Costamilan Tomiello - Nathan Felipe Filgueiras | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Jul 15, 2023 | Nathan Felipe Filgueiras | 1–0 | Mateus Costamilan Tomiello | Round 8: Nathan Felipe Filgueiras - Mateus Costamilan Tomiello | Four Knights Game | |
| Jul 14, 2023 | Lucas Fonseca Piccoli | 0–1 | Nathan Felipe Filgueiras | Round 7: Lucas Fonseca Piccoli - Nathan Felipe Filgueiras | Sicilian Defense: Lasker-Pelikan Variation, Bird Variation | |
| Jul 13, 2023 | Nathan Felipe Filgueiras | ½–½ | Juan Sebastian Melian | Round 6: Nathan Felipe Filgueiras - Juan Sebastian Melian | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 12, 2023 | Daniel Titichoca Daza | 0–1 | Nathan Felipe Filgueiras | Round 5: Daniel Titichoca Daza - Nathan Felipe Filgueiras | Sicilian Defense: Kalashnikov Variation | |
| Jul 12, 2023 | Nathan Felipe Filgueiras | ½–½ | Leonardo Ballesteros Cardenas | Round 4: Nathan Felipe Filgueiras - Leonardo Ballesteros Cardenas | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 11, 2023 | Andres Santiago Garzon Camelo | 0–1 | Nathan Felipe Filgueiras | Round 3: Andres Santiago Garzon Camelo - Nathan Felipe Filgueiras | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 11, 2023 | Nathan Felipe Filgueiras | 1–0 | Christopher Munoz Ramos | Round 2: Nathan Felipe Filgueiras - Christopher Munoz Ramos | Sicilian Defense: Najdorf Variation | |
| Jul 10, 2023 | Rafael Neira Zamudio | 0–1 | Nathan Felipe Filgueiras | Round 1: Rafael Neira Zamudio - Nathan Felipe Filgueiras | Indian Defense | |
| Jun 24, 2023 | Renato R. Quintiliano Pinto | 1–0 | Nathan Felipe Filgueiras | Round 8: Renato R. Quintiliano Pinto - Nathan Felipe Filgueiras | Pseudo Queen's Indian Defense | |
| Jun 20, 2023 | Nathan Felipe Filgueiras | 0–1 | Alexandr Fier | Round 4: Nathan Felipe Filgueiras - Alexandr Fier | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 18, 2023 | Nathan Felipe Filgueiras | ½–½ | Leandro Perdomo | Round 11: Nathan Felipe Filgueiras - Leandro Perdomo | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 18, 2023 | Pablo Alejandro Acosta | 0–1 | Nathan Felipe Filgueiras | Round 10: Pablo Alejandro Acosta - Nathan Felipe Filgueiras | Yusupov-Rubinstein System | |
| Jun 18, 2023 | Nathan Felipe Filgueiras | 0–1 | Fernando Cubas Jose | Round 9: Fernando Cubas Jose - Juliana Sayumi Terao | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Jun 18, 2023 | Hilario Takeda Sakai Dos Santos Fier Alexandr | 1–0 | Nathan Felipe Filgueiras | Round 4: Hilario Takeda Sakai Dos Santos Fier Alexandr - Nathan Felipe Filgueiras | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 | |
| Jun 17, 2023 | Nathan Felipe Filgueiras | 0–1 | Hilario Takeda Sakai Dos Santos Fier Alexandr | Round 8: Nathan Felipe Filgueiras - Hilario Takeda Sakai Dos Santos Fier Alexandr | Alekhine Defense: Exchange Variation, Voronezh Variation | |
| Jun 17, 2023 | Nathan Felipe Filgueiras | ½–½ | R. Quintiliano Pinto Renato | Round 7: Nathan Felipe Filgueiras - R. Quintiliano Pinto Renato | Four Knights Game: Gunsberg Variation | |
| Jun 17, 2023 | Nathan Felipe Filgueiras | 0–1 | De Moura Santiago Yago | Round 5: Nathan Felipe Filgueiras - De Moura Santiago Yago | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 17, 2023 | Fernando Cubas Jose | 0–1 | Nathan Felipe Filgueiras | Round 4: Fernando Cubas Jose - Nathan Felipe Filgueiras | Sicilian Defense: Nimzo-American Variation | |
| Jan 29, 2022 | Nathan Felipe Filgueiras | 0–1 | Axel Bachmann | Round 9: Nathan Felipe Filgueiras - Axel Bachmann | Modern Defense: Two Knights Variation, Suttles Variation | |
| Jan 29, 2022 | Alexandr Fier | ½–½ | Nathan Felipe Filgueiras | Round 8: Alexandr Fier - Nathan Felipe Filgueiras | Sicilian Defense: Closed, Chameleon Variation | |
| Jan 27, 2022 | Nathan Felipe Filgueiras | 0–1 | Jose Fernando Cuenca Jimenez | Round 5: Nathan Felipe Filgueiras - Jose Fernando Cuenca Jimenez | Sicilian Defense: Kalashnikov Variation | |