| Jun 20, 2026 | Pedraza Aldana | * | Casas Ospina | Round 7: Pedraza Aldana, Alexandra - Casas Ospina, Favio | Three Knights Opening | |
| Jun 20, 2026 | Casas Ospina | 1–0 | Medrano Cardenas | Round 6: Casas Ospina, Favio - Medrano Cardenas, Miguel Angel | King's Pawn Game: Maróczy Defense | |
| Jun 20, 2026 | Munoz Gutierrez | 1–0 | Casas Ospina | Round 5: Munoz Gutierrez, Juan Andres - Casas Ospina, Favio | Indian Defense: Budapest Defense, Rubinstein Variation | |
| Jun 20, 2026 | Casas Ospina | 0–1 | Sanabria Bello | Round 4: Casas Ospina, Favio - Sanabria Bello, Javier | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Jun 20, 2026 | Vargas Sanchez | 0–1 | Casas Ospina | Round 3: Vargas Sanchez, German Gonzalo - Casas Ospina, Favio | Bird Opening: From's Gambit | |
| Jun 20, 2026 | Casas Ospina | 0–1 | Vargas Benavides | Round 2: Casas Ospina, Favio - Vargas Benavides, Mauricio | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Jun 20, 2026 | Martinez Russi | 0–1 | Casas Ospina | Round 1: Martinez Russi, Tygua Lautaro - Casas Ospina, Favio | Indian Defense: Budapest Defense, Adler Variation | |
| Apr 26, 2026 | Casas Ospina | 0–1 | Echeverria Sabogal | Round 7: Casas Ospina, Favio - Echeverria Sabogal, Jeronimo | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Apr 26, 2026 | Cardenas Ardila | 1–0 | Casas Ospina | Round 6: Cardenas Ardila, Simon - Casas Ospina, Favio | Vienna Game: Stanley Variation | |
| Apr 26, 2026 | Casas Ospina | 0–1 | Almanza | Round 5: Casas Ospina, Favio - Almanza, Rafael Andres | French Defense: Advance Variation, Milner-Barry Gambit | |
| Apr 26, 2026 | Ramirez Mejia | 0–1 | Casas Ospina | Round 4: Ramirez Mejia, Jose Gregorio - Casas Ospina, Favio | Sicilian Defense: Open | |
| Apr 26, 2026 | Casas Ospina | 1–0 | Verdugo Silva | Round 3: Casas Ospina, Favio - Verdugo Silva, Felipe | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 26, 2026 | Obando Guzman | 1–0 | Casas Ospina | Round 2: Obando Guzman, Soren Federico - Casas Ospina, Favio | Zukertort Opening: Sicilian Invitation | |
| Apr 20, 2026 | Casas Ospina | 1–0 | Paez Colmenares | Round 7: Casas Ospina, Favio - Paez Colmenares, Adolfo | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Apr 20, 2026 | Sanabria Bello | 0–1 | Casas Ospina | Round 6: Sanabria Bello, Javier - Casas Ospina, Favio | Indian Defense: Budapest Defense | |
| Apr 20, 2026 | Casas Ospina | 0–1 | Alvarez Guzman | Round 5: Casas Ospina, Favio - Alvarez Guzman, Joseph Emmanuel | Center Game: Berger Variation | |
| Apr 20, 2026 | Vargas Sanchez | ½–½ | Casas Ospina | Round 4: Vargas Sanchez, Mauricio - Casas Ospina, Favio | Indian Defense: Polish Variation | |
| Apr 20, 2026 | Castillo Rodriguez | 1–0 | Casas Ospina | Round 2: Castillo Rodriguez, Edward Andres - Casas Ospina, Favio | English Opening: Anglo-Dutch Defense | |
| Apr 20, 2026 | Casas Ospina | 1–0 | Pena Contreras | Round 3: Casas Ospina, Favio - Pena Contreras, Jonathan Humberto | King's Pawn Game: Maróczy Defense | |
| Apr 19, 2026 | Casas Ospina | 1–0 | Jhosep Daniel Almanza Duarte | Round 1: Casas Ospina, Favio - Jhosep Daniel Almanza Duarte | Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation | |
| Feb 22, 2026 | Guevara Rincon | 1–0 | Casas Ospina | Round 5: Guevara Rincon, Cristian Camilo - Casas Ospina, Favio | Scotch Game: Potter Variation | |
| Feb 22, 2026 | Casas Ospina | 0–1 | Dominguez Rincon | Round 4: Casas Ospina, Favio - Dominguez Rincon, Miller Duvan | Sicilian Defense: Smith-Morra Gambit Declined, Scandinavian Formation | |
| Feb 22, 2026 | Valle | 1–0 | Casas Ospina | Round 2: Valle, Efrain - Casas Ospina, Favio | Ruy Lopez: Schliemann Defense | |
| Jan 18, 2026 | Garcia Diaz | * | Casas Ospina | Round 7: Garcia Diaz, Juan Manuel - Casas Ospina, Favio | Ruy Lopez: Schliemann Defense | |
| Jan 18, 2026 | Casas Ospina | 1–0 | Cortes Roman | Round 6: Casas Ospina, Favio - Cortes Roman, Santiago | Center Game: Paulsen Attack Variation | |
| Jan 18, 2026 | Munoz Cardenas | ½–½ | Casas Ospina | Round 5: Munoz Cardenas, Cristian Camilo - Casas Ospina, Favio | Trompowsky Attack | |
| Jan 18, 2026 | Casas Ospina | ½–½ | Baez Guerrero | Round 4: Casas Ospina, Favio - Baez Guerrero, Santiago | Center Game: Paulsen Attack Variation | |
| Jan 18, 2026 | Sastre Parra | 0–1 | Casas Ospina | Round 3: Sastre Parra, Sergio Esteban - Casas Ospina, Favio | English Opening: Anglo-Dutch Defense | |
| Jan 18, 2026 | Casas Ospina | 0–1 | Cifuentes Camacho | Round 2: Casas Ospina, Favio - Cifuentes Camacho, Miguel Angel | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jan 18, 2026 | Roldan Aroca | 0–1 | Casas Ospina | Round 1: Roldan Aroca, Celeste Maia Cristal - Casas Ospina, Favio | Italian Game: Hungarian Defense | |
| Nov 23, 2025 | Casas Ospina | 0–1 | Lerma Munoz | Round 1: Casas Ospina, Favio - Lerma Munoz, Luis Alberto | ? | |
| Oct 19, 2025 | Nelson Humberto Garzon Velandia | 1–0 | Casas Ospina | Round 7: Nelson Humberto Garzon Velandia - Casas Ospina, Favio | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Oct 19, 2025 | Casas Ospina | 1–0 | Espitia Pineros | Round 6: Casas Ospina, Favio - Espitia Pineros, Luis Alberto | Center Game: Berger Variation | |
| Oct 19, 2025 | Vargas Sanchez | 0–1 | Casas Ospina | Round 5: Vargas Sanchez, Mauricio - Casas Ospina, Favio | Indian Defense | |
| Oct 19, 2025 | Casas Ospina | 1–0 | Garcia Vargas | Round 4: Casas Ospina, Favio - Garcia Vargas, Nicolas Esteban | Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation | |
| Oct 19, 2025 | Quemba Norena | 1–0 | Casas Ospina | Round 3: Quemba Norena, Pedro Alexander - Casas Ospina, Favio | Indian Defense | |
| Oct 19, 2025 | Casas Ospina | 0–1 | Agudelo Guevara | Round 2: Casas Ospina, Favio - Agudelo Guevara, Mariana | French Defense: Advance Variation, Milner-Barry Gambit | |
| Oct 19, 2025 | Moreno Cobos | 0–1 | Casas Ospina | Round 1: Moreno Cobos, Ricardo - Casas Ospina, Favio | Italian Game: Hungarian Defense | |
| Sep 16, 2025 | Toro Suarez | ½–½ | Casas Ospina | Ronda 5: Toro Suarez, Frank Sebastian - Casas Ospina, Favio | Italian Game: Hungarian Defense | |
| Sep 16, 2025 | Torres Montoya | ½–½ | Casas Ospina | Ronda 7: Torres Montoya, Danny Alejandro - Casas Ospina, Favio | English Opening: King's English Variation, Reversed Sicilian | |
| Sep 16, 2025 | Casas Ospina | 0–1 | Leguizamo Cortes | Ronda 6: Casas Ospina, Favio - Leguizamo Cortes, Laura Juliana | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Sep 16, 2025 | Casas Ospina | ½–½ | Cantor Pardo | Ronda 4: Casas Ospina, Favio - Cantor Pardo, Antonio | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Sep 16, 2025 | Cuervo Sanchez | 0–1 | Casas Ospina | Ronda 3: Cuervo Sanchez, Rafael - Casas Ospina, Favio | Vienna Game: Vienna Gambit | |
| Sep 16, 2025 | Casas Ospina | 0–1 | Rivera | Ronda 2: Casas Ospina, Favio - Rivera, Alberto | Sicilian Defense: Smith-Morra Gambit Accepted, Scheveningen Formation | |
| Sep 16, 2025 | Rueda Villamizar | 0–1 | Casas Ospina | Ronda 1: Rueda Villamizar, Nicolas - Casas Ospina, Favio | Scotch Game: Scotch Gambit, Dubois Réti Defense | |
| Jun 8, 2025 | Bustos Acosta | 0–1 | Casas Ospina | Round 7: Bustos Acosta, Isauro - Casas Ospina, Favio | English Opening: Anglo-Dutch Defense | |
| Jun 8, 2025 | Longas Serrano | 1–0 | Casas Ospina | Round 6: Longas Serrano, Edgar - Casas Ospina, Favio | Indian Defense: Polish Variation | |
| Jun 8, 2025 | Casas Ospina | 1–0 | Centanaro Erazo | Round 5: Casas Ospina, Favio - Centanaro Erazo, Nicole Daniela | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 8, 2025 | Lopez Sanchez | 0–1 | Casas Ospina | Round 4: Lopez Sanchez, Juan Felipe - Casas Ospina, Favio | Three Knights Opening | |
| Jun 8, 2025 | Casas Ospina | 0–1 | Pinzon | Round 3: Casas Ospina, Favio - Pinzon, Jairo David | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 8, 2025 | Casas Ospina | ½–½ | Gonzalez Mojica | Round 2: Casas Ospina, Favio - Gonzalez Mojica, Renan Arturo | Pirc Defense: Austrian Attack | |
| Jun 8, 2025 | Alfonso Canon | 0–1 | Casas Ospina | Round 1: Alfonso Canon, Samuel Alejandro - Casas Ospina, Favio | Italian Game: Hungarian Defense | |
| Jun 25, 2024 | Casas Ospina | 0–1 | Valle | Round 6: Casas Ospina, Favio - Valle, Efrain | King's Gambit Accepted: MacLeod Defense | |
| Jun 25, 2024 | Gutierrez Herrera | ½–½ | Casas Ospina | Round 5: Gutierrez Herrera, Jose Antonio - Casas Ospina, Favio | Ruy Lopez: Schliemann Defense, Classical Variation | |
| Jun 25, 2024 | Rodriguez Munoz | 0–1 | Casas Ospina | Round 4: Rodriguez Munoz, Cesar Esteban - Casas Ospina, Favio | Ruy Lopez: Schliemann Defense | |
| Jun 25, 2024 | Casas Ospina | 1–0 | Mauricio Ramirez Ayala | Round 3: Casas Ospina, Favio - Mauricio Ramirez Ayala | Owen Defense | |
| Jun 25, 2024 | Richard Gustavo Ardila Franco | 0–1 | Casas Ospina | Round 2: Richard Gustavo Ardila Franco - Casas Ospina, Favio | King's Gambit Accepted: Traditional Variation | |
| Jun 25, 2024 | Casas Ospina | ½–½ | Farfan Rubio | Round 1: Casas Ospina, Favio - Farfan Rubio, Ariel Ignacio | Center Game: Berger Variation | |
| Jun 25, 2024 | Sabogal Moreno | 1–0 | Casas Ospina | Round 7: Sabogal Moreno, Jose Andres - Casas Ospina, Favio | Indian Defense: Polish Variation | |
| Dec 22, 2024 | Casas Ospina | 1–0 | Dylan Franco | Round 1: Casas Ospina, Favio - Dylan Franco | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Dec 22, 2024 | Casas Ospina | 0–1 | Guiza Vargas | Round 3: Casas Ospina, Favio - Guiza Vargas, Angel David | Center Game: Paulsen Attack Variation | |
| Dec 22, 2024 | Casas Ospina | 1–0 | Castillo Gil | Round 5: Casas Ospina, Favio - Castillo Gil, Jose Jeronimo | Center Game: Paulsen Attack Variation | |
| Dec 22, 2024 | Casas Ospina | 0–1 | Estrada Velandia | Round 7: Casas Ospina, Favio - Estrada Velandia, Henry Andres | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Dec 22, 2024 | Obando Guzman | * | Casas Ospina | Round 2: Obando Guzman, Soren Federico - Casas Ospina, Favio | Richter-Veresov Attack: Boyce Defense | |
| Dec 22, 2024 | Cantor Pardo | 0–1 | Casas Ospina | Round 4: Cantor Pardo, Joaquin - Casas Ospina, Favio | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 22, 2024 | Montes Pena | 0–1 | Casas Ospina | Round 6: Montes Pena, Sebastian - Casas Ospina, Favio | Scotch Game: Classical Variation | |
| Oct 27, 2024 | Casas Ospina | 1–0 | Gamboa Urbina | Round 1: Casas Ospina, Favio - Gamboa Urbina, Fabio Leonardo | Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation | |
| Oct 27, 2024 | Casas Ospina | 0–1 | Mena Cordoba | Round 3: Casas Ospina, Favio - Mena Cordoba, Yamil Octavio | Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation | |
| Oct 27, 2024 | Casas Ospina | 0–1 | Dominguez Rincon | Round 5: Casas Ospina, Favio - Dominguez Rincon, Miller Duvan | Center Game: Berger Variation | |
| Oct 27, 2024 | Casas Ospina | * | Mejia Rosas | Round 7: Casas Ospina, Favio - Mejia Rosas, Dario | Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation | |
| Oct 27, 2024 | Deiner Gabriel Barreto Isculpi | 0–1 | Casas Ospina | Round 2: Deiner Gabriel Barreto Isculpi - Casas Ospina, Favio | Indian Defense: Budapest Defense, Adler Variation | |
| Oct 27, 2024 | Socha | 0–1 | Casas Ospina | Round 4: Socha, Juan Pablo - Casas Ospina, Favio | English Opening: Anglo-Dutch Defense | |
| Oct 27, 2024 | Garvin Mejia | 1–0 | Casas Ospina | Round 6: Garvin Mejia, Ricardo Luis - Casas Ospina, Favio | Queen's Pawn Game: Zukertort Variation | |
| Sep 29, 2024 | Casas Ospina | 0–1 | Valle | Round 3: Casas Ospina, Favio - Valle, Efrain | Center Game | |
| Sep 29, 2024 | Casas Ospina | 1–0 | Borbon Torres | Round 5: Casas Ospina, Favio - Borbon Torres, Julian Alfredo | Center Game: Berger Variation | |
| Sep 29, 2024 | Casas Ospina | 0–1 | Soto Leguizamon | Round 7: Casas Ospina, Favio - Soto Leguizamon, David Esteban | Sicilian Defense: Smith-Morra Gambit Accepted, Scheveningen Formation | |
| Sep 29, 2024 | Millan Solarte | 0–1 | Casas Ospina | Round 2: Millan Solarte, Samuel David - Casas Ospina, Favio | Italian Game: Hungarian Defense | |
| Sep 29, 2024 | Urbina Obando | 0–1 | Casas Ospina | Round 4: Urbina Obando, Francisco Antonio - Casas Ospina, Favio | Indian Defense: Budapest Defense | |
| Sep 29, 2024 | Estrada Velandia | 1–0 | Casas Ospina | Round 6: Estrada Velandia, Henry Andres - Casas Ospina, Favio | Queen's Pawn Game: Stonewall Attack | |
| Oct 22, 2022 | Casas Ospina | * | Ghita | World Amateur CC U2000 | ? | |