| Jun 28, 2026 | Giron | 1–0 | Melendez Manuel A. | Round 8: Giron, Jorge Ernesto - Melendez Manuel A. | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Jun 27, 2026 | Melendez Manuel A. | 1–0 | Guevara Ruiz | Round 7: Melendez Manuel A. - Guevara Ruiz, Santiago Jose | Semi-Slav Defense: Normal Variation | |
| Jun 22, 2026 | Melara | 0–1 | Melendez Manuel A. | Round 6: Melara, Karla Sofia - Melendez Manuel A. | Philidor Defense: Exchange Variation | |
| Jun 20, 2026 | Melendez Manuel A. | 1–0 | Fuentes Menendez | Round 5: Melendez Manuel A. - Fuentes Menendez, Josue Daniel | Nimzo-Indian Defense: Reshevsky Variation | |
| Jun 14, 2026 | Garcia | 1–0 | Melendez Manuel A. | Round 4: Garcia, Angie - Melendez Manuel A. | King's Indian Attack: Symmetrical Defense | |
| Jun 13, 2026 | Barahona | 0–1 | Melendez Manuel A. | Round 2: Barahona, Josue - Melendez Manuel A. | Bishop's Opening: Paulsen Defense | |
| Jun 13, 2026 | Melendez Manuel A. | 1–0 | Fang Juan | Round 3: Melendez Manuel A. - Fang Juan | Nimzo-Indian Defense: Reshevsky Variation | |
| Mar 1, 2026 | Duarte | 0–1 | Melendez Manuel A. | Round 9: Duarte, Juan - Melendez Manuel A. | Sicilian Defense: Old Sicilian | |
| Feb 28, 2026 | Navarrete | 0–1 | Melendez Manuel A. | Round 8: Navarrete, Guillermo - Melendez Manuel A. | King's Indian Defense: Orthodox Variation | |
| Feb 22, 2026 | Melendez Manuel A. | 0–1 | Ibarra Carlos Roberto | Round 7: Melendez Manuel A. - Ibarra Carlos Roberto | Sicilian Defense: Lasker-Pelikan Variation | |
| Feb 14, 2026 | Melendez Manuel A. | 1–0 | Tobar | Round 5: Melendez Manuel A. - Tobar, Jorge | Caro-Kann Defense: Advance Variation | |
| Feb 8, 2026 | Mira | 0–1 | Melendez Manuel A. | Round 4: Mira, Felix - Melendez Manuel A. | Sicilian Defense: Accelerated Dragon | |
| Feb 7, 2026 | Herrera Luis Alejandro | * | Melendez Manuel A. | Round 2: Herrera Luis Alejandro - Melendez Manuel A. | Sicilian Defense: Bowdler Attack | |
| Feb 7, 2026 | Melendez Manuel A. | 1–0 | Hernandez | Round 3: Melendez Manuel A. - Hernandez, Rodolfo Anibal | Scandinavian Defense: Bronstein Variation | |
| Jan 31, 2026 | Guevara Ruiz | 1–0 | Melendez Manuel A. | Round 6: Guevara Ruiz, Santiago Jose - Melendez Manuel A. | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Oct 30, 2025 | Melendez Manuel A. | ½–½ | Giron Chavez | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | Sicilian Defense: Scheveningen Variation | |
| Oct 30, 2025 | Baules Rodriguez | 0–1 | Melendez Manuel A. | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | |
| Oct 30, 2025 | Melendez Manuel A. | ½–½ | Duran Vega | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | Philidor Defense: Lion Variation | |
| Oct 30, 2025 | Melendez Manuel A. | 0–1 | Ortiz | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Oct 28, 2025 | Fernandez | 0–1 | Melendez Manuel A. | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | |
| Oct 27, 2025 | Baules Rodriguez | ½–½ | Melendez Manuel A. | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | |
| Oct 26, 2025 | Melendez Manuel A. | 0–1 | Cabezas Solano | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Oct 25, 2025 | Melendez Manuel A. | 1–0 | Giron Chavez | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | Benoni Defense: French Benoni | |
| Oct 25, 2025 | Ortiz | 1–0 | Melendez Manuel A. | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | King's Indian Defense: Semi-Averbakh System | |
| Apr 18, 2025 | Melendez Manuel A. | 1–0 | Linares Orellana | Round 7: Melendez Manuel A. - Linares Orellana, Hector Jose | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Apr 17, 2025 | Valdes Romero | 1–0 | Melendez Manuel A. | Round 6: Valdes Romero, Leonardo - Melendez Manuel A. | Zukertort Opening: Kingside Fianchetto | |
| Apr 16, 2025 | Melendez Manuel A. | 0–1 | Duran Vega | Round 4: Melendez Manuel A. - Duran Vega, Sergio | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 16, 2025 | Angulo Perez | 0–1 | Melendez Manuel A. | Round 5: Angulo Perez, Sebastian - Melendez Manuel A. | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Apr 15, 2025 | Melendez Manuel A. | 1–0 | Villafranca | Round 3: Melendez Manuel A. - Villafranca, Rafael | Sicilian Defense: Najdorf Variation | |
| Apr 14, 2025 | Hernandez | 0–1 | Melendez Manuel A. | Round 2: Hernandez, Juan Carlos - Melendez Manuel A. | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 31, 2024 | Melendez Manuel A. | * | Alvarez Ramirez | Ronda 9: Melendez Manuel A. - Alvarez Ramirez, Emanuel | Sicilian Defense: Najdorf Variation | |
| Dec 31, 2024 | Soto Clausen | 1–0 | Melendez Manuel A. | Ronda 8: Soto Clausen, Luis Diego - Melendez Manuel A. | Blackmar-Diemer Gambit Accepted: Kaulich Defense | |
| Dec 31, 2024 | Melendez Manuel A. | 0–1 | Delgado Rosas | Ronda 7: Melendez Manuel A. - Delgado Rosas, Alex Antonio | Four Knights Game: Italian Variation | |
| Dec 31, 2024 | Cubillo Duran | 0–1 | Melendez Manuel A. | Ronda 6: Cubillo Duran, Aaron Josue - Melendez Manuel A. | Sicilian Defense: Grand Prix Attack | |
| Dec 31, 2024 | Melendez Manuel A. | 1–0 | Bolanos Diaz | Ronda 5: Melendez Manuel A. - Bolanos Diaz, Daniel | Pirc Defense | |
| Dec 30, 2024 | Duran Vega | 1–0 | Melendez Manuel A. | Ronda 4: Duran Vega, Sergio - Melendez Manuel A. | King's Indian Defense: Fianchetto Variation, Hungarian Variation | |
| Dec 30, 2024 | Melendez Manuel A. | 1–0 | Ruiz Alfaro | Ronda 3: Melendez Manuel A. - Ruiz Alfaro, Darrel | Sicilian Defense: Lasker-Pelikan Variation | |
| Dec 30, 2024 | Campos Gonzalez | 0–1 | Melendez Manuel A. | Ronda 2: Campos Gonzalez, Gabriel - Melendez Manuel A. | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Dec 30, 2024 | Melendez Manuel A. | 1–0 | Charpentier Badilla | Ronda 1: Melendez Manuel A. - Charpentier Badilla, Ian Sebastian | Ruy Lopez: Berlin Defense, Improved Steinitz Defense | |
| Dec 30, 2024 | Melendez Manuel A. | 0–1 | Duran Vega | Ronda 9: Melendez Manuel A. - Duran Vega, Sergio | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Dec 29, 2024 | Garcia | ½–½ | Melendez Manuel A. | Ronda 8: Garcia, Angie - Melendez Manuel A. | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Dec 28, 2024 | Melendez Manuel A. | 1–0 | Arias | Ronda 6: Melendez Manuel A. - Arias, Daniel | Sicilian Defense: Najdorf Variation | |
| Dec 28, 2024 | Melendez Manuel A. | 1–0 | Pastor Carvajal | Ronda 5: Melendez Manuel A. - Pastor Carvajal, Jeigoth | Sicilian Defense: Kan Variation, Modern Variation | |
| Dec 27, 2024 | Ibarra Carlos Roberto | ½–½ | Melendez Manuel A. | Ronda 4: Ibarra Carlos Roberto - Melendez Manuel A. | Queen's Pawn Game | |
| Dec 27, 2024 | Melendez Manuel A. | 1–0 | Jimenez Molina | Ronda 3: Melendez Manuel A. - Jimenez Molina, Juan Leon | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Dec 26, 2024 | Almeida Quintana | 1–0 | Melendez Manuel A. | Ronda 2: Almeida Quintana, Omar - Melendez Manuel A. | King's Indian Defense: Normal Variation, Rare Defenses | |
| Dec 26, 2024 | Melendez Manuel A. | 1–0 | Bonilla Sequeira | Ronda 1: Melendez Manuel A. - Bonilla Sequeira, Pablo | Sicilian Defense: Kan Variation, Knight Variation | |
| Dec 24, 2024 | Miranda Mesa | 1–0 | Melendez Manuel A. | Ronda 7: Miranda Mesa, Elier - Melendez Manuel A. | Sicilian Defense: Closed, Traditional | |