| Apr 20, 2026 | Acosta | * | Lorensetti | Rodada 9: Acosta, Pablo Alejandro - Lorensetti, Jesse Emanoel | Rubinstein Opening | |
| Apr 20, 2026 | Rodrigues | 1–0 | Acosta | Rodada 8: Rodrigues, Edgar - Acosta, Pablo Alejandro | King's Indian Attack, with e6 | |
| Apr 20, 2026 | Acosta | * | Cubas | Rodada 7: Acosta, Pablo Alejandro - Cubas, Jose | Scotch Game: Classical Variation | |
| Apr 20, 2026 | Mariani | 0–1 | Acosta | Rodada 6: Mariani, Daniel Brandao - Acosta, Pablo Alejandro | French Defense: Tarrasch Variation, Botvinnik Variation | |
| Apr 20, 2026 | Ferreira | * | Acosta | Rodada 5: Ferreira,Paulo Muraro - Acosta, Pablo Alejandro | English Opening: Agincourt Defense | |
| Apr 20, 2026 | Acosta | 1–0 | Dalmonico | Curitiba Chess Open 2026 - Blitz | French Defense: Advance Variation, Milner-Barry Gambit | |
| Apr 20, 2026 | Acosta | ½–½ | Hessmann | Rodada 2: Acosta, Pablo Alejandro - Hessmann, Eduardo Franzoni | Sicilian Defense: Moscow Variation | |
| Apr 20, 2026 | Agustinho Da Silva | * | Acosta | Curitiba Chess Open 2026 - Blitz | ? | |
| Apr 19, 2026 | Acosta | * | Filho | Rodada 1: Acosta, Pablo Alejandro - Filho, Mauricio Jose Goncalves | ? | |
| Mar 22, 2026 | Acosta | ½–½ | Martins | 15º Aberto do Brasil Memorial Bobby Fischer 2026 | Scotch Game: Classical Variation | |
| Mar 22, 2026 | Do Nascimento | 1–0 | Acosta | Aberto do Brasil XV Memorial Bobby Fischer - João Pessoa (PB) | Queen's Pawn Game: Accelerated London System | |
| Mar 21, 2026 | Hoffman | ½–½ | Acosta | Aberto do Brasil XV Memorial Bobby Fischer - João Pessoa (PB) | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 25, 2025 | Acosta | 0–1 | Garnier | Round 9: Acosta, Pablo Alejandro - Garnier, Rene | East Indian Defense | |
| Jan 24, 2025 | Shoker | 1–0 | Acosta | Round 8: Shoker, Samy - Acosta, Pablo Alejandro | King's Indian Attack: Sicilian Variation | |
| Jan 23, 2025 | Acosta | ½–½ | Hoffman | Round 7: Acosta, Pablo Alejandro - Hoffman, Alejandro | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Jan 22, 2025 | Salinas Herrera | ½–½ | Acosta | Round 6: Salinas Herrera, Pablo - Acosta, Pablo Alejandro | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jan 21, 2025 | Acosta | 1–0 | Silva | Round 5: Acosta, Pablo Alejandro - Silva, Kaua Marques | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Oct 15, 2024 | Rodriguez Vila | 1–0 | Acosta | Round 8: Rodriguez Vila, Andres - Acosta, Pablo Alejandro | ? | |
| Oct 15, 2024 | Filgueiras | 1–0 | Acosta | Round 6: Filgueiras, Nathan Felipe - Acosta, Pablo Alejandro | French Defense: Tarrasch Variation, Botvinnik Variation | |
| Oct 15, 2024 | Hoffman | 1–0 | Acosta | Round 4: Hoffman, Alejandro - Acosta, Pablo Alejandro | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 15, 2024 | Molina | 1–0 | Acosta | Round 2: Molina, Roberto Junio Brito - Acosta, Pablo Alejandro | Queen's Gambit Declined: Tartakower Defense | |
| Oct 15, 2024 | Acosta | ½–½ | De Siqueira | Manaus Chess Open 2024 | Italian Game: Bird's Attack | |
| Oct 14, 2024 | Acosta | 1–0 | Casalaspro | Manaus Chess Open 2024 | Sicilian Defense: O'Kelly Variation, Venice System | |
| Oct 14, 2024 | Flom | 1–0 | Acosta | Manaus Chess Open 2024 | Ruy Lopez: Exchange Variation, Normal Variation | |
| Oct 13, 2024 | De Araujo | 0–1 | Acosta | Manaus Chess Open 2024 | London System | |
| Oct 12, 2024 | Acosta | ½–½ | Andrade | Manaus Chess Open 2024 | French Defense: Advance Variation, Paulsen Attack | |
| Oct 12, 2024 | Pereira | 0–1 | Acosta | Manaus Chess Open 2024 | Nimzo-Larsen Attack | |
| Oct 11, 2024 | Acosta | ½–½ | De Brito | Manaus Chess Open 2024 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 12, 2024 | Umetsubo | 1–0 | Acosta | Round 6: Umetsubo, Cesar Hidemitsu - Acosta, Pablo Alejandro | Queen's Gambit Declined: Harrwitz Attack | |
| Jul 12, 2024 | Hessmann | * | Acosta | Round 5: Hessmann, Eduardo Franzoni - Acosta, Pablo Alejandro | ? | |
| Jul 11, 2024 | Correria | * | Acosta | Round 4: Correria, Pedro Bavaresco - Acosta, Pablo Alejandro | ? | |
| Jul 10, 2024 | Acosta | * | Dias | Round 3: Acosta, Pablo Alejandro - Dias, Joao Batista | ? | |
| — | Acosta | 1–0 | Menezes | 4ºFestival Internacional de Catas Altas/MG - BLZ | Sicilian Defense: Moscow Variation, Main Line | |
| — | De Paula | 1–0 | Acosta | 4ºFestival Internacional de Catas Altas/MG - BLZ | French Defense: Classical Variation, Steinitz Variation | |
| — | Perdomo | 1–0 | Acosta | 4ºFestival Internacional de Catas Altas/MG - RPD | Queen's Gambit Declined: Janowski Variation | |
| — | Sunye Neto | * | Acosta | 4ºFestival Internacional de Catas Altas/MG - RPD | English Opening: King's English Variation, Four Knights Variation, Flexible Line | |
