| Jan 9, 2026 | De Souza | 0–1 | Roland | Brasilia Chess Open 2026 - Torneio STD | Benko Gambit Accepted: Modern Variation | |
| Dec 31, 2025 | Shintate Junior | 0–1 | De Souza | Round 9: Shintate Junior, Paulo Sunao - De Souza, Samuel B Ornelas | Nimzo-Indian Defense: Classical Variation, Milner-Barry Variation | |
| Dec 30, 2025 | Jurado | 1–0 | De Souza | Round 8: Jurado, Laura Alves - De Souza, Samuel B Ornelas | Indian Defense | |
| Dec 30, 2025 | De Souza | 0–1 | Santos | Round 7: De Souza, Samuel B Ornelas - Santos, Abel Cardoso Dos | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Dec 29, 2025 | De Souza | 1–0 | Vieira | Round 5: De Souza, Samuel B Ornelas - Vieira, Luana Saddi | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Dec 29, 2025 | Ribeiro | 1–0 | De Souza | Round 6: Ribeiro, Matheus Mendes Domingues - De Souza, Samuel B Ornelas | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Dec 28, 2025 | Tsuboi | 1–0 | De Souza | Round 4: Tsuboi, Edson Kenji - De Souza, Samuel B Ornelas | Sicilian Defense: Najdorf Variation, Amsterdam Variation | |
| Dec 27, 2025 | De Souza | 1–0 | Leal | Round 3: De Souza, Samuel B Ornelas - Leal, Guilherme Alves de Souza | Benko Gambit Accepted: King Walk Variation | |
| Dec 27, 2025 | De Souza | 1–0 | Juliani | Round 1: De Souza, Samuel B Ornelas - Juliani, Victor Boa | Catalan Opening | |
| Dec 27, 2025 | Poeta | 1–0 | De Souza | Round 2: Poeta, Caio Medeiros - De Souza, Samuel B Ornelas | Catalan Opening | |
| Jul 14, 2024 | De Souza | * | Hataby | Round 9: De Souza, Samuel B Ornelas - Hataby, Raed | ? | |
| Jul 13, 2024 | De Dea | * | De Souza | Round 8: De Dea, Fernando Jose Pereira - De Souza, Samuel B Ornelas | ? | |
| Jul 13, 2024 | De Souza | * | Orsini | Round 7: De Souza, Samuel B Ornelas - Orsini, Cesar Oliveira | ? | |
| Jul 12, 2024 | Orsini | * | De Souza | Round 6: Orsini, Sarah de Oliveira - De Souza, Samuel B Ornelas | ? | |
| Jul 12, 2024 | De Souza | * | Koinski | Round 5: De Souza, Samuel B Ornelas - Koinski, Carlos Cesar | ? | |
| Jul 11, 2024 | Borgmann | * | De Souza | Round 4: Borgmann, Alexandre - De Souza, Samuel B Ornelas | ? | |
| Jul 10, 2024 | De Souza | * | Baratieri | Round 3: De Souza, Samuel B Ornelas - Baratieri, Maria Vitoria | ? | |
| Jul 10, 2024 | Silva | * | De Souza | Round 2: Silva, Caio Henrique Angelico - De Souza, Samuel B Ornelas | ? | |
| Jul 9, 2024 | De Souza | * | Bueno | Round 1: De Souza, Samuel B Ornelas - Bueno, Marcos Da Silva Inacio | ? | |
