| Dec 9, 2025 | Curcio | 1–0 | Mercado Florez | Round 6: Curcio, Luciano Joel - Mercado Florez, Diego Armando | Queen's Pawn Game: London System | |
| Dec 7, 2025 | Bolanos Valencia | 0–1 | Mercado Florez | XXI Festival Suramericano de la Juventud 2025 RAPIDAS | Philidor Defense | |
| Dec 7, 2025 | Mercado Florez | * | Lindao Goyes | XXI Festival Suramericano de la Juventud 2025 RAPIDAS | King's Indian Defense: Normal Variation, Standard Development | |
| Dec 7, 2025 | Zegarra Castaneda | 1–0 | Mercado Florez | XXI Festival Suramericano de la Juventud 2025 RAPIDAS | Philidor Defense: Exchange Variation | |
| Dec 7, 2025 | Mercado Florez | * | Gonzalez Vargas | XXI Festival Suramericano de la Juventud 2025 RAPIDAS | King's Indian Defense: Normal Variation, Standard Development | |
| Dec 7, 2025 | Sanchez Velez | 1–0 | Mercado Florez | Round 2: Sanchez Velez, Alex Leonardo - Mercado Florez, Diego Armando | Philidor Defense | |
| May 29, 2025 | Martinez A. | 1–0 | Mercado Florez | Round 1: Martinez A., Miguel Angel - Mercado Florez, Diego Armando | Grünfeld Defense: Russian Variation | |
| Dec 13, 2024 | Mercado Florez | 0–1 | Soto Ramirez | Round 4: Mercado Florez, Diego Armando - Soto Ramirez, Andres Camilo | Indian Defense: Spielmann-Indian | |
| — | Mercado Florez | 0–1 | Arun | Round 3: Mercado Florez, Diego Armando - Arun, Rahul | Indian Defense: London System | |
| — | Mercado Florez | ½–½ | Turnquest | FIDE World Youth U16 Chess Olympiad 2025 | Queen's Pawn Game: London System | |
| — | Mercado Florez | ½–½ | Joseph | Round 5: Mercado Florez, Diego Armando - Joseph, Jamari | Queen's Pawn Game: London System, with e6 | |
| — | Mercado Florez | 0–1 | Lopez Escobar | Round 8: Mercado Florez, Diego Armando - Lopez Escobar, Jose David | King's Indian Defense: Normal Variation, Standard Development | |
| — | Mercado Florez | 1–0 | Pirachican Gonzalez | Round 9: Mercado Florez, Diego Armando - Pirachican Gonzalez, Sara | King's Indian Defense: Normal Variation, Standard Development | |
| — | Castro Lombana | 0–1 | Mercado Florez | Round 1: Castro Lombana, Juan Pablo - Mercado Florez, Diego Armando | Ruy Lopez: Morphy Defense, Wormald Attack | |
| — | Pineda Romero | 0–1 | Mercado Florez | FIDE World Youth U16 Chess Olympiad 2025 | Philidor Defense | |
| — | Cardarelli | 1–0 | Mercado Florez | Round 6: Cardarelli, Leon - Mercado Florez, Diego Armando | Philidor Defense: Exchange Variation | |
| — | Mendoza Montesdeoca | 1–0 | Mercado Florez | Round 7: Mendoza Montesdeoca, Josue Alejandro - Mercado Florez, Diego Armando | Philidor Defense: Exchange Variation | |
