| Feb 1, 2026 | Grillo | 0–1 | Lavigne Lopez | III Sampa Chess Open - BLZ | Indian Defense: Accelerated London System | |
| Feb 1, 2026 | Grillo | 0–1 | Guimaraes | III Sampa Chess Open - BLZ | Queen's Pawn Game: London System | |
| Feb 1, 2026 | Grillo | 0–1 | Oliveira | III Sampa Chess Open - BLZ | Indian Defense: Knights Variation | |
| Jan 30, 2026 | Grillo | 0–1 | Vivas Zamora | III Sampa Chess Open - RPD | London System | |
| Feb 9, 2025 | Grillo | 0–1 | Cunha | II Sampa Chess Open - Blitz FIDE | English Opening: Agincourt Defense | |
| Feb 9, 2025 | Grillo | 1–0 | Da Fonseca Pinto | II Sampa Chess Open - Blitz FIDE | Pseudo Queen's Indian Defense | |
| Feb 9, 2025 | Grillo | 1–0 | Fernandes | II Sampa Chess Open - Blitz FIDE | Queen's Pawn Game: Chigorin Variation | |
| Feb 9, 2025 | Grillo | ½–½ | Nogueira | II Sampa Chess Open - Blitz FIDE | Queen's Pawn Game | |
| Feb 9, 2025 | Grillo | 0–1 | Contreras Huaman | II Sampa Chess Open - Blitz FIDE | Queen's Pawn Game: London System | |
| Feb 9, 2025 | Barbosa | 0–1 | Grillo | II Sampa Chess Open - Blitz FIDE | East Indian Defense | |
| Feb 9, 2025 | Santos | 0–1 | Grillo | II Sampa Chess Open - Blitz FIDE | ? | |
| Feb 9, 2025 | Bueno | 1–0 | Grillo | II Sampa Chess Open - Blitz FIDE | Sicilian Defense: Closed | |
| Feb 9, 2025 | Medina Cruzata | 0–1 | Grillo | II Sampa Chess Open - Blitz FIDE | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Feb 1, 2025 | Grillo | 0–1 | Kayser | II Sampa Chess Open - Rápido FIDE | London System | |
| Feb 1, 2025 | Grillo | 1–0 | Cunha | II Sampa Chess Open - Rápido FIDE | Queen's Pawn Game: London System | |
| Feb 1, 2025 | Grillo | 1–0 | Luz | II Sampa Chess Open - STD Open | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Feb 1, 2025 | Grillo | 0–1 | Santiago | II Sampa Chess Open - STD Open | English Opening: Agincourt Defense | |
| Feb 1, 2025 | Grillo | 0–1 | Ruvieri | II Sampa Chess Open - STD Open | English Opening: King's English Variation | |
| Feb 1, 2025 | Grillo | 1–0 | Nobre | II Sampa Chess Open - STD Open | Queen's Pawn Game: London System | |
| Feb 1, 2025 | Grillo | 1–0 | Serra | II Sampa Chess Open - STD Open | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Feb 1, 2025 | Poeta | 0–1 | Grillo | II Sampa Chess Open - Rápido FIDE | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Feb 1, 2025 | Da Silva | 0–1 | Grillo | II Sampa Chess Open - STD Open | Grünfeld Defense: Three Knights Variation, Paris Variation | |
| Feb 1, 2025 | Marra | 1–0 | Grillo | II Sampa Chess Open - STD Open | French Defense: Advance Variation, Lputian Variation | |
| Feb 1, 2025 | Bonilla Viamonte | ½–½ | Grillo | II Sampa Chess Open - STD Open | Grünfeld Defense: Exchange Variation | |
| Feb 1, 2025 | Ricci | 0–1 | Grillo | II Sampa Chess Open - STD Open | Indian Defense: King's Indian Variation, Fianchetto Variation | |
| Feb 1, 2025 | Nunes | 1–0 | Grillo | II Sampa Chess Open - STD Open | Grünfeld Defense: Exchange Variation, Spassky Variation | |
| Mar 25, 2024 | Grillo | 1–0 | De Souza | Round 5: Grillo, Carlos Henrique Gomes F - De Souza, Ricardo Alves | Semi-Slav Defense: Anti-Moscow Gambit | |
| Mar 18, 2024 | Caribe Santos | 0–1 | Grillo | Round 4: Caribe Santos, Luiz Carlos - Grillo, Carlos Henrique Gomes F | Queen's Indian Accelerated | |
| Mar 11, 2024 | Grillo | 0–1 | Da Rocha | Round 3: Grillo, Carlos Henrique Gomes F - Da Rocha, Lucas Sampaio | Indian Defense: Budapest Defense, Adler Variation | |
