| — | Acosta Pablo Ismael (ARG) | ½–½ | Piorun Kacper (POL) | World Cup 2023 Open | Queen's Gambit Declined: Three Knights Variation | |
| Jun 30, 2026 | Acosta | 1–0 | Jardim | X Caioba STD | Slav Defense: Quiet Variation | |
| Jun 30, 2026 | Becker | 0–1 | Acosta | X Caioba STD | English Opening: King's English Variation | |
| Jun 28, 2026 | Acosta | 1–0 | Mafra | X Caioba STD | Torre Attack: Fianchetto Defense | |
| Jun 28, 2026 | Macedo | 0–1 | Acosta | X Caioba STD | Sicilian Defense: Kan Variation, Knight Variation | |
| Jun 27, 2026 | Acosta | ½–½ | Di Berardino | X Caioba RPD | ? | |
| Jun 27, 2026 | Alonso | 0–1 | Acosta | X Caioba RPD | Sicilian Defense: Kan Variation, Modern Variation | |
| Jun 27, 2026 | Acosta | 1–0 | Suleymenov | X Caioba RPD | English Opening: Agincourt Defense | |
| Jun 27, 2026 | Van Riemsdijk | 0–1 | Acosta | X Caioba RPD | Sicilian Defense: Kan Variation | |
| Jun 27, 2026 | Acosta | ½–½ | Villca | X Caioba RPD | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Jun 27, 2026 | Villegas | ½–½ | Acosta | X Caioba RPD | Philidor Defense: Lion Variation | |
| Jun 27, 2026 | Acosta | 1–0 | Bueno | X Caioba RPD | Dutch Defense: Stonewall Variation, Modern Variation | |
| Jun 27, 2026 | Librelato | 0–1 | Acosta | X Caioba RPD | Sicilian Defense: Kan Variation, Modern Variation | |
| Jun 27, 2026 | Acosta | 1–0 | Britez Gonzalez | X Caioba RPD | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Jun 27, 2026 | Acosta | 0–1 | Mekhitarian | X Sesc Caioba BTZ | English Opening | |
| Jun 27, 2026 | Krysa | ½–½ | Acosta | X Sesc Caioba BTZ | Queen's Gambit Declined: Harrwitz Attack | |
| Jun 27, 2026 | Acosta | 0–1 | Suleymenov | X Sesc Caioba BTZ | Queen's Pawn Game: Zukertort Variation | |
| Jun 1, 2026 | Acosta | 0–1 | Petti | Round 9: Acosta, Pablo Ismael - Petti, Luca Giovanni | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Jun 1, 2026 | Ibarra | ½–½ | Acosta | Round 8: Ibarra, Juan Martin - Acosta, Pablo Ismael | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jun 1, 2026 | Acosta | ½–½ | Sanhueza | Round 7: Acosta, Pablo Ismael - Sanhueza, Cristian | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Jun 1, 2026 | Ticona Rocabado | 0–1 | Acosta | Round 6: Ticona Rocabado, Licael Roderick - Acosta, Pablo Ismael | Queen's Gambit Declined | |
| Jun 1, 2026 | Acosta | 0–1 | Ribeiro | Round 5: Acosta, Pablo Ismael - Ribeiro, Matheus Mendes Domingues | Queen's Gambit Declined: Modern Variation | |
| Jun 1, 2026 | Mizzau | 0–1 | Acosta | Round 4: MESA 2 - MIZZAU vs ACOSTA | Sicilian Defense: Dragon Variation, Fianchetto Variation | |
| Jun 1, 2026 | Acosta | 0–1 | Arias Gaviria | Round 3: Acosta, Pablo Ismael - Arias Gaviria, Mario Alexis | Queen's Gambit Declined | |
| Jun 1, 2026 | Carrizo | 0–1 | Acosta | Round 1: Carrizo, Luciano Ariel - Acosta, Pablo Ismael | Ruy Lopez: Morphy Defense | |
| Jun 1, 2026 | De Siqueira | 1–0 | Acosta | Round 2: De Siqueira, Luigy Lira - Acosta, Pablo Ismael | Sicilian Defense: Czerniak Attack | |
| Feb 17, 2026 | Fuentes | 0–1 | Acosta | Round 8: Fuentes, Agustin - Acosta, Pablo Ismael | Bishop's Opening | |
| Feb 16, 2026 | Perez Candelas | 1–0 | Acosta | Round 6: Perez Candelas, Andres Eloy - Acosta, Pablo Ismael | French Defense: Exchange Variation, Monte Carlo Variation | |
| Feb 15, 2026 | Acosta | ½–½ | Sanhueza | Round 5: Acosta, Pablo Ismael - Sanhueza, Cristian | East Indian Defense | |
| Feb 15, 2026 | Acosta | 0–1 | Acosta | Round 5: Acosta, Franco Emanuel - Acosta, Pablo Ismael | French Defense: Horwitz Attack | |
| Feb 15, 2026 | Acosta | 0–1 | Acosta | Round 4: Acosta, Franco Emanuel - Acosta, Pablo Ismael | French Defense: Horwitz Attack | |
| Feb 14, 2026 | Acosta | ½–½ | Petti | Round 3: Acosta, Pablo Ismael - Petti, Luca Giovanni | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Feb 14, 2026 | Koch | 0–1 | Acosta | Round 2: Koch, Juan - Acosta, Pablo Ismael | Sicilian Defense: Keres Variation | |
| Feb 13, 2026 | Acosta | 1–0 | Alvarez | Round 1: Acosta, Pablo Ismael - Alvarez, Mia Morena | Sicilian Defense: Modern Variations | |
| Feb 13, 2026 | Acosta | 1–0 | Mizzau | Round 9: Acosta, Pablo Ismael - Mizzau, Pablo | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Feb 7, 2026 | Christiansen | ½–½ | Acosta | Round 9: Christiansen, Johan-Sebastian - Acosta, Pablo Ismael | Sicilian Defense: French Variation | |
| Feb 5, 2026 | Acosta | 1–0 | Tristan | Round 7: Acosta, Pablo Ismael - Tristan, Leonardo | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Feb 4, 2026 | Roselli Mailhe | ½–½ | Acosta | Round 6: Roselli Mailhe, Bernardo - Acosta, Pablo Ismael | Queen's Gambit Declined: Barmen Variation | |
| Feb 3, 2026 | Acosta | 1–0 | Curi | Round 5: Acosta, Pablo Ismael - Curi, Gabriel | English Opening: Agincourt Defense | |
| Feb 2, 2026 | Garcia Palermo | 1–0 | Acosta | Round 4: Garcia Palermo, Carlos Horacio - Acosta, Pablo Ismael | Bogo-Indian Defense: Nimzowitsch Variation | |
| Feb 1, 2026 | Acosta | 1–0 | Larrea | Round 3: Acosta, Pablo Ismael - Larrea, Manuel | Queen's Gambit Declined: Semi-Tarrasch Defense, Pillsbury Variation | |
| Jan 31, 2026 | Petti | 0–1 | Acosta | Round 2: Petti, Luca Giovanni - Acosta, Pablo Ismael | French Defense: Winawer Variation, Advance Variation | |
| Jan 31, 2026 | Jacobson | ½–½ | Acosta | Round 8: Jacobson, Brandon - Acosta, Pablo Ismael | Semi-Slav Defense: Chigorin Defense | |
| Jan 31, 2026 | Acosta | 1–0 | Romero | Round 1: Acosta, Pablo Ismael - Romero, Juan | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Dec 26, 2025 | Paveto | 1–0 | Acosta | Round 8: Paveto, Kevin - Acosta, Pablo Ismael | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Dec 26, 2025 | Spangenberg | ½–½ | Acosta | Round 7: Spangenberg, Hugo - Acosta, Pablo Ismael | Sicilian Defense: French Variation | |
| Dec 26, 2025 | Acosta | 1–0 | Moldovan | Round 6: Acosta, Pablo Ismael - Moldovan, Adrian | Hungarian Opening: Symmetrical Variation | |
| Dec 25, 2025 | Acosta | 1–0 | Spector | Round 4: Acosta, Pablo Ismael - Spector, Sebastian | King's Indian Attack: Symmetrical Defense | |
| Dec 25, 2025 | Garcia Lemos | 0–1 | Acosta | Round 3: Garcia Lemos, Federico - Acosta, Pablo Ismael | Nimzo-Indian Defense: Normal Variation | |
| Dec 25, 2025 | Acosta | 1–0 | Mocca | Round 2: Acosta, Pablo Ismael - Mocca, Pablo | English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense | |
| Dec 25, 2025 | Milberg | 0–1 | Acosta | Round 1: Milberg, Alex - Acosta, Pablo Ismael | Torre Attack: Classical Defense | |
| Dec 25, 2025 | Acosta | 0–1 | Zarnicki | Round 9: Acosta, Pablo Ismael - Zarnicki, Pablo | Queen's Indian Defense: Kasparov Variation | |
| Dec 25, 2025 | Dolezal | 1–0 | Acosta | Round 5: Dolezal, Cristian - Acosta, Pablo Ismael | Rapport-Jobava System | |
| Dec 5, 2025 | Acosta | ½–½ | Oro | Round 11: Acosta, Pablo Ismael - Oro, Faustino | English Opening: Agincourt Defense | |
| Dec 4, 2025 | Villca | ½–½ | Acosta | Round 10: Villca, Julian - Acosta, Pablo Ismael | English Opening: King's English Variation | |
| Dec 3, 2025 | Acosta | 1–0 | Barrionuevo | Round 9: Acosta, Pablo Ismael - Barrionuevo, Pablo | Queen's Pawn Game: Colle System | |
| Dec 2, 2025 | Gomez | ½–½ | Acosta | Round 8: Gomez, Carlos David - Acosta, Pablo Ismael | Sicilian Defense: Delayed Alapin Variation | |
| Dec 1, 2025 | Acosta | ½–½ | Tristan | Round 7: Acosta, Pablo Ismael - Tristan, Leonardo | English Opening: Agincourt Defense | |
| Nov 30, 2025 | Francisco Guecamburu | 0–1 | Acosta | Round 6: Francisco Guecamburu, Candela Be - Acosta, Pablo Ismael | French Defense: Tarrasch Variation, Pawn Center Variation | |
| Nov 29, 2025 | Acosta | ½–½ | Dolezal | Round 5: Acosta, Pablo Ismael - Dolezal, Cristian | Indian Defense: Wade-Tartakower Defense | |
| Nov 29, 2025 | Acosta | 1–0 | Spangenberg | Round 8: Acosta, Pablo Ismael - Spangenberg, Hugo | Indian Defense: Wade-Tartakower Defense | |
| Nov 29, 2025 | Acosta | 1–0 | Tempone | Round 7: Acosta, Pablo Ismael - Tempone, Marcelo | Slav Defense: Czech Variation, Dutch Variation | |
| Nov 29, 2025 | Sorin | 0–1 | Acosta | Round 6: Sorin, Ariel - Acosta, Pablo Ismael | Bogo-Indian Defense: Grünfeld Variation | |
| Nov 28, 2025 | Cumpe | 1–0 | Acosta | Round 4: Cumpe, Lucas - Acosta, Pablo Ismael | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Nov 28, 2025 | Acosta | ½–½ | Villegas | Round 3: Acosta, Pablo Ismael - Villegas, Franco | Queen's Gambit Declined: Austrian Defense | |
| Nov 28, 2025 | Galvan | 0–1 | Acosta | Round 2: Galvan, Juan Ignacio - Acosta, Pablo Ismael | Sicilian Defense: Grand Prix Attack | |
| Nov 28, 2025 | Acosta | 1–0 | Bosco | Round 1: Acosta, Pablo Ismael - Bosco, Giuliana | King's Indian Defense | |
| Nov 28, 2025 | Sturt | 1–0 | Acosta | Round 9: Sturt, Raven - Acosta, Pablo Ismael | Bird Opening | |
| Nov 28, 2025 | Valerga | 1–0 | Acosta | Round 4: Valerga, Diego - Acosta, Pablo Ismael | Sicilian Defense: Richter-Rauzer Variation, Traditional Variation | |
| Nov 27, 2025 | Acosta | ½–½ | Villanueva | Round 3: Acosta, Pablo Ismael - Villanueva, Mario | King's Indian Attack: Spassky Variation | |
| Nov 25, 2025 | Flores | ½–½ | Acosta | Round 1: Flores, Diego - Acosta, Pablo Ismael | King's Indian Attack | |
| Nov 24, 2025 | Perez Ponsa | 0–1 | Acosta | Round 2: Perez Ponsa, Federico - Acosta, Pablo Ismael | Old Indian Defense: Tartakower-Indian | |
| Nov 16, 2025 | Acosta | 1–0 | Hernandez Guerrero | Round 6: Acosta, Pablo Ismael - Hernandez Guerrero, Gilberto | Indian Defense: Wade-Tartakower Defense | |
| Nov 15, 2025 | Fernandez | 0–1 | Acosta | Round 5: Fernandez, Maria Florencia - Acosta, Pablo Ismael | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 15, 2025 | Acosta | 1–0 | Belmonte | Round 4: Acosta, Pablo Ismael - Belmonte, Diego Mariano | Nimzo-Indian Defense: St. Petersburg Variation | |
| Nov 15, 2025 | Menendez | 0–1 | Acosta | Round 3: Menendez, Mariano - Acosta, Pablo Ismael | Sicilian Defense: Open | |
| Nov 15, 2025 | Acosta | 1–0 | Cuellar | Round 2: Acosta, Pablo Ismael - Cuellar, Andres Alejandro | Queen's Gambit Accepted: Showalter Variation | |
| Nov 15, 2025 | Tolosa | 0–1 | Acosta | IV ABIERTO CIRCUITO MINERO DE AJEDREZ - SEDE SALTA | Sicilian Defense: Kan Variation, Knight Variation | |
| Nov 14, 2025 | Alonso | ½–½ | Acosta | Round 9: Alonso, Salvador - Acosta, Pablo Ismael | Petrov's Defense: Nimzowitsch Attack | |
| Nov 14, 2025 | Acosta | 1–0 | Robledo | Round 8: Acosta, Pablo Ismael - Robledo, Cristian | Queen's Gambit Declined | |
| Nov 14, 2025 | Schnaider | 0–1 | Acosta | Round 7: Schnaider, Ilan - Acosta, Pablo Ismael | Rapport-Jobava System | |
| Nov 11, 2025 | Acosta | 1–0 | Paris | Round 9: Acosta, Pablo Ismael - Paris, Adolfo | Queen's Gambit Declined | |
| Nov 11, 2025 | Acosta | 1–0 | Paris | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Queen's Gambit Declined | |
| Nov 10, 2025 | Perez Ponsa | ½–½ | Acosta | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Petrov's Defense: Classical Attack | |
| Nov 9, 2025 | Acosta | ½–½ | Santiago | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Queen's Gambit Declined: Tartakower Defense | |
| Nov 8, 2025 | Deichmann | 0–1 | Acosta | Round 6: Deichmann, Esteban Horacio - Acosta, Pablo Ismael | Sicilian Defense: Old Sicilian | |
| Nov 8, 2025 | Deichmann | 0–1 | Acosta | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Sicilian Defense: Old Sicilian | |
| Nov 7, 2025 | Acosta | ½–½ | Gomez | Round 5: Acosta, Pablo Ismael - Gomez, Carlos David | Ruy Lopez: Exchange Variation, Keres Variation | |
| Nov 6, 2025 | Dolezal | 0–1 | Acosta | Round 4: Dolezal, Cristian - Acosta, Pablo Ismael | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Nov 5, 2025 | Varela Velazquez | ½–½ | Acosta | Round 2: Varela Velazquez, Carlos Francisco - Acosta, Pablo Ismael | King's Indian Attack | |
| Nov 5, 2025 | Acosta | 1–0 | Campos | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Rubinstein Opening | |
| Nov 3, 2025 | Acosta | 1–0 | Ingas | Round 1: Acosta, Pablo Ismael - Ingas, Mariano Cristian | Queen's Gambit Declined: Anti-Tartakower Variation | |
| Nov 3, 2025 | Perez Ponsa | ½–½ | Acosta | Round 8: Perez Ponsa, Federico - Acosta, Pablo Ismael | Petrov's Defense: Classical Attack | |
| Nov 3, 2025 | Acosta | ½–½ | Santiago | Round 7: Acosta, Pablo Ismael - Santiago, Yago De Moura | Queen's Gambit Declined: Tartakower Defense | |
| Nov 1, 2025 | Perez | 0–1 | Acosta | Round 9: Perez, Maximiliano - Acosta, Pablo Ismael | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Nov 1, 2025 | Ocampos | 0–1 | Acosta | Round 8: Ocampos, Ian - Acosta, Pablo Ismael | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Nov 1, 2025 | Acosta | 1–0 | Llanos | Round 7: Acosta, Pablo Ismael - Llanos, Guillermo | Zukertort Opening: Dutch Variation | |
| Nov 1, 2025 | Perez Pietronave | 1–0 | Acosta | Round 2: Perez Pietronave, Carlos - Acosta, Pablo Ismael | Sicilian Defense: Wing Gambit Deferred | |
| Nov 1, 2025 | Naboulet | 0–1 | Acosta | Round 6: Naboulet, Pablo Leon - Acosta, Pablo Ismael | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Oct 31, 2025 | Olivieri | 1–0 | Acosta | Round 4: Olivieri, Martin - Acosta, Pablo Ismael | French Defense: Winawer Variation, Advance Variation | |