| Oct 4, 2025 | Marcio Carneiro Franco | 0–1 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (V ETAPA) | Queen's Pawn Game: Colle System, Anti-Colle | |
| Oct 4, 2025 | Marcelo Barroso Dos Santos | 0–1 | Luiz Felipe dos Santos Araujo | I CHESS GRAN PRIX - EXPERT (V ETAPA) | Nimzo-Indian Defense: Classical Variation | |
| Oct 4, 2025 | Leonardo Melo pessoa Cavalcante | 0–1 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (V ETAPA) | Italian Game: Classical Variation, Greco Gambit, Main Line | |
| Oct 4, 2025 | De Lima | 0–1 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (V ETAPA) | Ruy Lopez: Berlin Defense | |
| Oct 4, 2025 | Marcelo Barroso Dos Santos | 1–0 | Felipe Juan Mendes Penha | I CHESS GRAN PRIX - EXPERT (V ETAPA) | Queen's Gambit Declined | |
| Sep 30, 2025 | Marcelo Barroso Dos Santos | 0–1 | Bezerra | I CHESS GRAN PRIX - EXPERT (V ETAPA) | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Sep 27, 2025 | Marcelo Barroso Dos Santos | 1–0 | De Lima | I CHESS GRAN PRIX - EXPERT (IV ETAPA) | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Sep 27, 2025 | Teixeira | 1–0 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (IV ETAPA) | Semi-Slav Defense | |
| Sep 25, 2025 | Dos Santos | 1–0 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (IV ETAPA) | Ruy Lopez: Berlin Defense | |
| Sep 11, 2025 | Gabriel Junior Rodrigues Dos Santos | 1–0 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (III ETAPA) | Scotch Game: Schmidt Variation | |
| Sep 11, 2025 | Marcelo Barroso Dos Santos | 1–0 | Da Silva | I CHESS GRAN PRIX - EXPERT (III ETAPA) | King's Indian Defense: Orthodox Variation | |
| Sep 11, 2025 | De Souza | 0–1 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (III ETAPA) | Bird Opening: Dutch Variation | |
| Sep 11, 2025 | Marcelo Barroso Dos Santos | 1–0 | Ryan Freitas Marinho Da Cunha Breves | I CHESS GRAN PRIX - EXPERT (III ETAPA) | King's Indian Defense: Orthodox Variation | |
| Sep 11, 2025 | Bezerra | 0–1 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (III ETAPA) | Ruy Lopez: Berlin Defense | |
| — | Marcelo Barroso Dos Santos | 1–0 | Gabriel Junior Rodrigues Dos Santos | I CHESS GRAN PRIX - EXPERT (I ETAPA) | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| — | Marcelo Barroso Dos Santos | 1–0 | Bezerra | I CHESS GRAN PRIX - EXPERT (II ETAPA) | King's Indian Defense: Orthodox Variation | |
| — | Marcelo Barroso Dos Santos | 1–0 | De Souza | I CHESS GRAN PRIX - EXPERT (II ETAPA) | Dutch Defense: Queen's Knight Variation | |
| — | Bezerra | 1–0 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (I ETAPA) | Italian Game: Rosentreter Gambit | |
| — | De Souza | 1–0 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (I ETAPA) | Bird Opening: Lasker Variation | |
| — | Da Silva | 0–1 | Marcelo Barroso Dos Santos | I CHESS GRAN PRIX - EXPERT (II ETAPA) | Italian Game: Deutz Gambit | |
