| Oct 22, 2023 | Bruno Torres Sacco | 0–1 | Paulo F. Jatoba De Oliveira Reis | Round 15: Bruno Torres Sacco - Paulo F. Jatoba De Oliveira Reis | Rat Defense: English Rat | |
| Oct 22, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Claus Benicio Da Silva | Round 14: Paulo F. Jatoba De Oliveira Reis - Claus Benicio Da Silva | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Oct 22, 2023 | Francisco Cesar De Medeiros Jr | 0–1 | Paulo F. Jatoba De Oliveira Reis | Round 13: Francisco Cesar De Medeiros Jr - Paulo F. Jatoba De Oliveira Reis | Rat Defense: English Rat | |
| Oct 22, 2023 | Anderson Guerra Dos Santos | 0–1 | Paulo F. Jatoba De Oliveira Reis | Round 12: Anderson Guerra Dos Santos - Paulo F. Jatoba De Oliveira Reis | Czech Defense | |
| Oct 22, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Enzo Suzarte Ferreira | Round 11: Paulo F. Jatoba De Oliveira Reis - Enzo Suzarte Ferreira | King's Indian Attack: Symmetrical Defense | |
| Oct 22, 2023 | Everaldo Matsuura | 1–0 | Paulo F. Jatoba De Oliveira Reis | Round 10: Everaldo Matsuura - Paulo F. Jatoba De Oliveira Reis | King's Indian Defense: Semi-Averbakh System | |
| Oct 22, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Adan Cerqueira Lopes | Round 9: Paulo F. Jatoba De Oliveira Reis - Adan Cerqueira Lopes | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Oct 22, 2023 | Mario Henrique Andrade Fiaes | 0–1 | Paulo F. Jatoba De Oliveira Reis | Round 8: Mario Henrique Andrade Fiaes - Paulo F. Jatoba De Oliveira Reis | Queen's Pawn Game | |
| Oct 22, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Jayme Amorim Miranda Neto | Round 7: Paulo F. Jatoba De Oliveira Reis - Jayme Amorim Miranda Neto | King's Indian Attack | |
| Oct 22, 2023 | Davi Almeida De Souza | 0–1 | Paulo F. Jatoba De Oliveira Reis | Round 6: Davi Almeida De Souza - Paulo F. Jatoba De Oliveira Reis | French Defense: Exchange Variation | |
| Oct 22, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Kleber Ferreira Nunes | Round 5: Paulo F. Jatoba De Oliveira Reis - Kleber Ferreira Nunes | King's Indian Attack | |
| Oct 22, 2023 | Luciano De Souza Zallio | 1–0 | Paulo F. Jatoba De Oliveira Reis | Round 4: Luciano De Souza Zallio - Paulo F. Jatoba De Oliveira Reis | Zukertort Opening: Nimzo-Larsen Variation | |
| Oct 22, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Deive Pacheco Reboucas | Round 3: Paulo F. Jatoba De Oliveira Reis - Deive Pacheco Reboucas | King's Indian Attack | |
| Oct 22, 2023 | Victor Ribeiro Melo Cardoso | 0–1 | Paulo F. Jatoba De Oliveira Reis | Round 2: Victor Ribeiro Melo Cardoso - Paulo F. Jatoba De Oliveira Reis | Czech Defense | |
| Oct 22, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Igor Marcelo Souza Pereira | Round 1: Paulo F. Jatoba De Oliveira Reis - Igor Marcelo Souza Pereira | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Oct 21, 2023 | Adan Cerqueira Lopes | 0–1 | Paulo F. Jatoba De Oliveira Reis | Round 8: Adan Cerqueira Lopes - Paulo F. Jatoba De Oliveira Reis | Alekhine Defense: Maróczy Variation | |
| Oct 21, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Enzo Suzarte Ferreira | Round 7: Paulo F. Jatoba De Oliveira Reis - Enzo Suzarte Ferreira | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| Oct 21, 2023 | Everaldo Matsuura | ½–½ | Paulo F. Jatoba De Oliveira Reis | Round 6: Everaldo Matsuura - Paulo F. Jatoba De Oliveira Reis | King's Indian Defense: Steiner Attack | |
| Oct 21, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Mario Henrique Andrade Fiaes | Round 5: Paulo F. Jatoba De Oliveira Reis - Mario Henrique Andrade Fiaes | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Oct 21, 2023 | Luciano De Souza Zallio | 0–1 | Paulo F. Jatoba De Oliveira Reis | Round 4: Luciano De Souza Zallio - Paulo F. Jatoba De Oliveira Reis | French Defense: Advance Variation, Euwe Variation | |
| Oct 21, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Jaime De Castilho Firmino Pinto | Round 3: Paulo F. Jatoba De Oliveira Reis - Jaime De Castilho Firmino Pinto | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Oct 21, 2023 | Antonio Pereira Oliveira | 0–1 | Paulo F. Jatoba De Oliveira Reis | Round 2: Antonio Pereira Oliveira - Paulo F. Jatoba De Oliveira Reis | Polish Opening | |
| Oct 21, 2023 | Paulo F. Jatoba De Oliveira Reis | 1–0 | Sandro Marcos Cavalcante Brito | Round 1: Paulo F. Jatoba De Oliveira Reis - Sandro Marcos Cavalcante Brito | Zukertort Opening: Black Mustang Defense | |
