| Jun 27, 2026 | Diaz Alzate | 0–1 | Cano Alcaraz | Round 2: Diaz Alzate, Thomas - Cano Alcaraz, Juan Jose | Caro-Kann Defense: Apocalypse Attack | |
| May 23, 2026 | Diaz Alzate | 0–1 | Delgado Caballero | Round 5: Diaz Alzate, Thomas - Delgado Caballero, Nigel Alejandro | Sicilian Defense: Moscow Variation | |
| May 21, 2026 | Diaz Alzate | ½–½ | Herrera Jimenez | Round 1: Diaz Alzate, Thomas - Herrera Jimenez, Mateo | Sicilian Defense: Moscow Variation | |
| Jan 7, 2026 | Diaz Alzate | 0–1 | Jaramillo | Round 1: Diaz Alzate, Thomas - Jaramillo, Victor Fabian | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Oct 28, 2025 | Diaz Alzate | 1–0 | Patino Garcia | Round 8: Diaz Alzate, Thomas - Patino Garcia, Julian David | King's Pawn Game | |
| Oct 28, 2025 | Payares Diaz | 1–0 | Diaz Alzate | Round 9: Payares Diaz, Alejandro - Diaz Alzate, Thomas | Scotch Game: Potter Variation | |
| Oct 28, 2025 | Guarin Fonseca | 0–1 | Diaz Alzate | Round 7: Guarin Fonseca, Thomas Alfredo - Diaz Alzate, Thomas | Trompowsky Attack | |
| Oct 28, 2025 | Diaz Alzate | 0–1 | Quintero Agudelo | Round 6: Diaz Alzate, Thomas - Quintero Agudelo, Elias | Sicilian Defense: Moscow Variation | |
| Oct 28, 2025 | Diaz Alzate | 1–0 | Lopez Becerra | Round 5: Diaz Alzate, Thomas - Lopez Becerra, Elmer Andres | French Defense: Exchange Variation | |
| Oct 28, 2025 | Herrera Jimenez | 1–0 | Diaz Alzate | Round 4: Herrera Jimenez, Mateo - Diaz Alzate, Thomas | Rapport-Jobava System | |
| Oct 28, 2025 | Montes Suarez | 0–1 | Diaz Alzate | Round 3: Montes Suarez, Gerard - Diaz Alzate, Thomas | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 28, 2025 | Diaz Alzate | 0–1 | Gonzalez Bolivar | Round 2: Diaz Alzate, Thomas - Gonzalez Bolivar, Juan Jose | Scotch Game | |
| Oct 28, 2025 | Pacheco Santander | 0–1 | Diaz Alzate | Round 1: Pacheco Santander, Jose David - Diaz Alzate, Thomas | Indian Defense | |
| Oct 28, 2025 | Diaz Alzate | 1–0 | Parra Ladino | Round 6: Diaz Alzate, Thomas - Parra Ladino, Samuel Fernando | Pirc Defense: Classical Variation | |
| Oct 28, 2025 | Rodriguez | 1–0 | Diaz Alzate | Round 5: Rodriguez, William Nicolas - Diaz Alzate, Thomas | Queen's Pawn Game: Chigorin Variation | |
| Oct 27, 2025 | Quintero Agudelo | 0–1 | Diaz Alzate | Round 3: Quintero Agudelo, Elias - Diaz Alzate, Thomas | Rapport-Jobava System | |
| Oct 27, 2025 | Diaz Alzate | 1–0 | Tobar Beltran | Round 2: Diaz Alzate, Thomas - Tobar Beltran, Miguel Angel | Caro-Kann Defense: Apocalypse Attack | |
| Oct 27, 2025 | Serrato Perilla | 0–1 | Diaz Alzate | Round 1: Serrato Perilla, Marco Alejandro - Diaz Alzate, Thomas | King's Pawn Game: Leonardis Variation | |
| Oct 27, 2025 | Diaz Alzate | 0–1 | Cano Alcaraz | Round 4: Diaz Alzate, Thomas - Cano Alcaraz, Juan Jose | Sicilian Defense: Kan Variation, Knight Variation | |
| Oct 27, 2025 | Diaz Alzate | 1–0 | Carvajal | Round 6: Diaz Alzate, Thomas - Carvajal, Juan Andres | Scotch Game: Lolli Variation | |
| Oct 26, 2025 | Leandro Jair Taramuel Quiguantar | ½–½ | Diaz Alzate | Round 5: Leandro Jair Taramuel Quiguantar - Diaz Alzate, Thomas | Ruy Lopez: Exchange Variation, King's Bishop Variation | |
| Oct 26, 2025 | Diaz Alzate | 1–0 | Jose Daniel Fandino Mateus | Round 4: Diaz Alzate, Thomas - Jose Daniel Fandino Mateus | Scotch Game | |
| Oct 25, 2025 | Quintero Agudelo | 1–0 | Diaz Alzate | Round 3: Quintero Agudelo, Elias - Diaz Alzate, Thomas | Indian Defense | |
| Oct 25, 2025 | Diaz Alzate | ½–½ | Rodriguez | Round 2: Diaz Alzate, Thomas - Rodriguez, William Nicolas | Scotch Game: Classical Variation | |
| Oct 25, 2025 | Samuel Dario Perea Torres | 0–1 | Diaz Alzate | Round 1: Samuel Dario Perea Torres - Diaz Alzate, Thomas | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| May 30, 2025 | Fernandez | 1–0 | Diaz Alzate | Round 2: Fernandez, Andres - Diaz Alzate, Thomas | Italian Game: Giuoco Piano | |
| Mar 24, 2025 | Veira Taquez | 1–0 | Diaz Alzate | Round 7: Veira Taquez, Manuel Josue - Diaz Alzate, Thomas | Queen's Pawn Game: Accelerated London System | |
| Mar 24, 2025 | Diaz Alzate | 0–1 | Torres Orozco | Round 6: Diaz Alzate, Thomas - Torres Orozco, Adrian de Jesus | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Mar 24, 2025 | Ballesteros Benitez | 0–1 | Diaz Alzate | Round 5: Ballesteros Benitez, Santiago Alonso - Diaz Alzate, Thomas | Queen's Pawn Game: Accelerated London System | |
| Mar 24, 2025 | Diaz Alzate | 0–1 | Lemos Holguin | Round 4: Diaz Alzate, Thomas - Lemos Holguin, Jeronimo | Nimzo-Larsen Attack | |
| Mar 24, 2025 | Melo Jimenez | 0–1 | Diaz Alzate | Round 1: Melo Jimenez, Juan Manuel - Diaz Alzate, Thomas | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 24, 2025 | Rueda Rojas | 1–0 | Diaz Alzate | Round 3: Rueda Rojas, Richard Alejandro - Diaz Alzate, Thomas | ? | |
| Mar 24, 2025 | Diaz Alzate | 1–0 | Moreno Palacios | Round 2: Diaz Alzate, Thomas - Moreno Palacios, Alejandro | Sicilian Defense: Kan Variation, Knight Variation | |
| Jan 7, 2025 | Diaz Alzate | 1–0 | Toro Ramirez | Blitz Feria de Manizales | Pirc Defense: Classical Variation | |
| Jan 7, 2025 | Diaz Alzate | 0–1 | Tascon Castro | Blitz Feria de Manizales | Sicilian Defense: French Variation | |
| Jan 7, 2025 | Ardila | 1–0 | Diaz Alzate | Blitz Feria de Manizales | Queen's Gambit Accepted: Accelerated Mannheim Variation | |
| Jan 7, 2025 | Perez Pertuz | 0–1 | Diaz Alzate | Blitz Feria de Manizales | Queen's Gambit Accepted | |
| Dec 13, 2024 | Sierra Isaza | 1–0 | Diaz Alzate | Round 4: Sierra Isaza, Jose Eduardo - Diaz Alzate, Thomas | Ruy Lopez: Morphy Defense | |
| Dec 12, 2024 | Delgado Caballero | ½–½ | Diaz Alzate | Round 2: Delgado Caballero, Nigel Alejandro - Diaz Alzate, Thomas | Ruy Lopez: Morphy Defense | |
| Nov 25, 2024 | Diaz Alzate | 1–0 | Cicero Velasquez | Round 12: Diaz Alzate, Thomas - Cicero Velasquez, Jesus David | Four Knights Game: Scotch Variation | |
| Nov 25, 2024 | Cicero Velasquez | 0–1 | Diaz Alzate | Round 11: Cicero Velasquez, Jesus David - Diaz Alzate, Thomas | Queen's Pawn Game: Accelerated London System | |
| Nov 25, 2024 | Diaz Alzate | ½–½ | Amaya Martinez | Round 5: Diaz Alzate, Thomas - Amaya Martinez, Ramiro Orlando | Caro-Kann Defense: Exchange Variation | |
| Nov 25, 2024 | Diaz Alzate | 1–0 | Navarro Chima | Round 2: Diaz Alzate, Thomas - Navarro Chima, Alvey Antonio | Queen's Pawn Game | |
| Nov 25, 2024 | Diaz Alzate | 0–1 | Delgado Caballero | Round 8: Diaz Alzate, Thomas - Delgado Caballero, Nigel Alejandro | Sicilian Defense: Hyperaccelerated Pterodactyl | |
| Nov 25, 2024 | Diaz Alzate | 1–0 | Hurtado Molina | Round 9: Diaz Alzate, Thomas - Hurtado Molina, Jeanpier Camilo | Scotch Game | |
| Nov 25, 2024 | Diaz Alzate | 1–0 | Blanco Mestra | Round 3: Diaz Alzate, Thomas - Blanco Mestra, Johan Andres | Sicilian Defense: Modern Variations | |
| Nov 25, 2024 | Diaz Alzate | 0–1 | Herrera Jimenez | Round 5: Diaz Alzate, Thomas - Herrera Jimenez, Mateo | Scotch Game: Schmidt Variation | |
| Nov 25, 2024 | Cicero Velasquez | 0–1 | Diaz Alzate | Round 4: Cicero Velasquez, Jesus David - Diaz Alzate, Thomas | Queen's Pawn Game: Accelerated London System | |
| Nov 25, 2024 | Parra Ladino | 0–1 | Diaz Alzate | Round 6: Parra Ladino, Samuel Fernando - Diaz Alzate, Thomas | Italian Game: Evans Gambit, Mieses Defense | |
| Nov 25, 2024 | Navarro Chima | 0–1 | Diaz Alzate | Round 1: Navarro Chima, Alvey Antonio - Diaz Alzate, Thomas | Scandinavian Defense: Mieses-Kotroc Variation | |
| Nov 25, 2024 | Delgado Caballero | 1–0 | Diaz Alzate | Round 7: Delgado Caballero, Nigel Alejandro - Diaz Alzate, Thomas | Nimzo-Larsen Attack: Modern Variation | |
| Nov 25, 2024 | Hurtado Molina | 1–0 | Diaz Alzate | Round 10: Hurtado Molina, Jeanpier Camilo - Diaz Alzate, Thomas | Four Knights Game: Italian Variation | |
| Nov 25, 2024 | Blanco Mestra | 0–1 | Diaz Alzate | Round 4: Blanco Mestra, Johan Andres - Diaz Alzate, Thomas | Italian Game: Classical Variation, Albin Gambit | |
| Nov 25, 2024 | Herrera Jimenez | * | Diaz Alzate | Round 6: Herrera Jimenez, Mateo - Diaz Alzate, Thomas | Scotch Game: Scotch Gambit, Kingside Variation | |
| Nov 24, 2024 | Diaz Alzate | 1–0 | Hurtado Molina | Round 1: Diaz Alzate, Thomas - Hurtado Molina, Jeanpier Camilo | Sicilian Defense: Taimanov Variation | |
| Nov 24, 2024 | Diaz Alzate | 1–0 | Mejia Romero | Round 3: Diaz Alzate, Thomas - Mejia Romero, Arlon Maiko | Scotch Game | |
| Nov 24, 2024 | Chicunque Espana | 0–1 | Diaz Alzate | Round 7: Chicunque Espana, Esteban Mauricio - Diaz Alzate, Thomas | Queen's Pawn Game: Colle System, Traditional Colle | |
| Nov 24, 2024 | Herrera Jimenez | 1–0 | Diaz Alzate | Round 2: Herrera Jimenez, Mateo - Diaz Alzate, Thomas | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Nov 23, 2024 | Diaz Alzate | 0–1 | Borre Meza | Round 6: Diaz Alzate, Thomas - Borre Meza, Orlando David | Four Knights Game: Italian Variation | |
| Nov 23, 2024 | Carvajal | 0–1 | Diaz Alzate | Round 5: Carvajal, Juan Andres - Diaz Alzate, Thomas | Ruy Lopez: Berlin Defense, Beverwijk Variation | |
| Nov 22, 2024 | Diaz Alzate | 1–0 | Arbey Antonio Navarro Chima | Round 4: Diaz Alzate, Thomas - Arbey Antonio Navarro Chima | Sicilian Defense: Modern Variations | |
| Nov 22, 2024 | Delgado Caballero | 1–0 | Diaz Alzate | Round 3: Delgado Caballero, Nigel Alejandro - Diaz Alzate, Thomas | Ruy Lopez: Steinitz Defense | |
| Nov 21, 2024 | Diaz Alzate | 0–1 | Rodriguez | Round 2: Diaz Alzate, Thomas - Rodriguez, William Nicolas | Scotch Game: Schmidt Variation | |
| Nov 21, 2024 | Marco Alejandro Serrato Perilla | 0–1 | Diaz Alzate | Round 1: Marco Alejandro Serrato Perilla - Diaz Alzate, Thomas | Queen's Pawn Game: Chigorin Variation | |
| — | Diaz Alzate | 0–1 | Soto Ramirez | Nacional Escolar 2025 | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| — | Diaz Alzate | 0–1 | Almanza Montoya | Nacional Escolar 2025 | Sicilian Defense: Moscow Variation, Main Line | |
| — | Diaz Alzate | 0–1 | Borre Meza | Round 3: Diaz Alzate, Thomas - Borre Meza, Orlando David | Scotch Game: Classical Variation | |
| — | Diaz Alzate | 1–0 | Manchani | FIDE World Youth U16 Chess Olympiad 2025 | Scotch Game | |
| — | Diaz Alzate | 0–1 | Gutierrez Cabrera | FIDE World Youth U16 Chess Olympiad 2025 | Scotch Game: Classical Variation | |
| — | Diaz Alzate | 1–0 | Sharma | Round 7: Diaz Alzate, Thomas - Sharma, Mohit | Italian Game: Hungarian Defense | |
| — | Diaz Alzate | 0–1 | Arias Diaz | Round 8: Diaz Alzate, Thomas - Arias Diaz, Javier Alonso | French Defense: Exchange Variation | |
| — | Garzon Espitia | 1–0 | Diaz Alzate | Round 4: Garzon Espitia, Nicolas Alejandro - Diaz Alzate, Thomas | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| — | Buitrago Pinto | 1–0 | Diaz Alzate | Round 6: Buitrago Pinto, Samuel Alejandro - Diaz Alzate, Thomas | Italian Game: Classical Variation, Center Attack | |
| — | Vinales Gonzalez | 1–0 | Diaz Alzate | Round 1: Vinales Gonzalez, Enzo Mathias - Diaz Alzate, Thomas | Ruy Lopez: Morphy Defense | |
| — | Bedi | 0–1 | Diaz Alzate | Round 9: Bedi, Vaibhav - Diaz Alzate, Thomas | Italian Game: Scotch Gambit, Anderssen Attack | |