| Jun 10, 2026 | Ortiz | 1–0 | Miranda Rodriguez | Round 11: Ortiz, Marcos - Miranda Rodriguez, Tania | Sicilian Defense: Classical Variation | |
| Jun 9, 2026 | Lopez Rayo | ½–½ | Ortiz | Round 10: Lopez Rayo, Isabella - Ortiz, Marcos | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jun 8, 2026 | Ortiz | ½–½ | Carvalho | Round 9: Ortiz, Marcos - Carvalho, Guillermo | Ruy Lopez: Morphy Defense | |
| Jun 7, 2026 | Salinas Herrera | 1–0 | Ortiz | Round 8: Salinas Herrera, Pablo - Ortiz, Marcos | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Jun 6, 2026 | Ortiz | 1–0 | Monroy Lopez | Round 7: Ortiz, Marcos - Monroy Lopez, Gustavo Adolfo | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit | |
| Jun 5, 2026 | Jackson | 0–1 | Ortiz | Round 6: Jackson, Leo Daniel Olivera - Ortiz, Marcos | English Defense | |
| Jun 5, 2026 | Ortiz | 0–1 | Mayorga Araya | Round 5: Ortiz, Marcos - Mayorga Araya, Sofia | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jun 4, 2026 | Lopez Rayo | 1–0 | Ortiz | Round 4: Lopez Rayo, Santiago - Ortiz, Marcos | Sicilian Defense: Najdorf Variation, Amsterdam Variation | |
| Jun 4, 2026 | Ortiz | ½–½ | Vasquez Schroeder | Round 3: Ortiz, Marcos - Vasquez Schroeder, Rodrigo | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 4, 2026 | Ortiz | 1–0 | Canales Chinchilla | Round 1: Ortiz, Marcos - Canales Chinchilla, Victoria | English Opening: Agincourt Defense, Bogoljubow Defense | |
| Jun 3, 2026 | Diaz Perez | ½–½ | Ortiz | Round 2: Diaz Perez, Michel Alejandro - Ortiz, Marcos | Sicilian Defense: Dragon Variation, Yugoslav Attack, Hungarian Dragon | |
| Oct 30, 2025 | Duran Vega | 1–0 | Ortiz | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | Benko Gambit | |
| Oct 30, 2025 | Martinez | 0–1 | Ortiz | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | French Defense: McCutcheon Variation, Lasker Variation | |
| Oct 30, 2025 | Ortiz | 1–0 | Hidalgo Avila | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | Sicilian Defense: Najdorf Variation, Main Line | |
| Oct 30, 2025 | Ortiz | 1–0 | Ulloa Castillo | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | Ruy Lopez: Morphy Defense, Mackenzie 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 | Ortiz | ½–½ | Juarez Flores | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | English Opening: Agincourt Defense | |
| Oct 27, 2025 | Cardenas Carbajal | 1–0 | Ortiz | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Oct 26, 2025 | Ortiz | 0–1 | Baules Rodriguez | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Oct 25, 2025 | Ortiz | ½–½ | Valdes Romero | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | Philidor Defense: Lion Variation | |
| Oct 25, 2025 | Ortiz | 1–0 | Melendez Manuel A. | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | King's Indian Defense: Semi-Averbakh System | |
| Apr 19, 2025 | Guillen Ramirez | 0–1 | Ortiz | Round 9: Guillen Ramirez, Jose Antonio - Ortiz, Marcos | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| Apr 18, 2025 | Ortiz | 1–0 | Chavez | Round 7: Ortiz, Marcos - Chavez, Ricardo Ernesto | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Apr 18, 2025 | Ortiz | ½–½ | Fonseca Cabrera | Round 8: Ortiz, Marcos - Fonseca Cabrera, Ernesto | Petrov's Defense: Cozio Attack | |
| Apr 17, 2025 | Rocha | ½–½ | Ortiz | Round 6: Rocha, Maximiliano - Ortiz, Marcos | Slav Defense: Chebanenko Variation | |
| Apr 16, 2025 | Ortiz | 1–0 | Guevara Ruiz | Round 5: Ortiz, Marcos - Guevara Ruiz, Santiago Jose | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Apr 15, 2025 | Ortiz | ½–½ | Figueroa Caceres | Round 3: Ortiz, Marcos - Figueroa Caceres, Carlos Alberto | Benoni Defense: French Benoni | |
| Apr 14, 2025 | Ortiz | 1–0 | Palencia Alvarado | Round 1: Ortiz, Marcos - Palencia Alvarado, Julio Roberto | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Apr 14, 2025 | Vanegas Lopez | ½–½ | Ortiz | Round 2: Vanegas Lopez, Natanael Emanuel - Ortiz, Marcos | Queen's Pawn Game: Colle System | |
| Sep 22, 2024 | Cawdery | 0–1 | Ortiz | 45th FIDE Chess Olympiad | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Sep 21, 2024 | Ortiz | 1–0 | Mutuge Ian | 45th FIDE Chess Olympiad | Sicilian Defense: Najdorf Variation, Traditional Line | |
| Sep 20, 2024 | Gong | ½–½ | Ortiz | 45th FIDE Chess Olympiad | English Opening: King's English Variation | |
| Sep 19, 2024 | Ortiz | 1–0 | Chashawa | 45th FIDE Chess Olympiad | Center Game: Kieseritzky Variation | |
| Sep 18, 2024 | Montevilla Cahuasa | ½–½ | Ortiz | 45th FIDE Chess Olympiad | French Defense: MacCutcheon Variation, Chigorin Variation | |
| Sep 16, 2024 | Ortiz | 1–0 | Al Busaidi | 45th FIDE Chess Olympiad | Caro-Kann Defense: Tartakower Variation | |
| Sep 14, 2024 | Frempong-Smart Daniel | 0–1 | Ortiz | 45th FIDE Chess Olympiad | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Sep 13, 2024 | Ortiz | ½–½ | Coppola | 45th FIDE Chess Olympiad | Sicilian Defense: Modern Variations, Main Line | |
| Sep 12, 2024 | Dennis | 0–1 | Ortiz | 45th FIDE Chess Olympiad | Indian Defense | |
| Mar 24, 2024 | Ortiz | ½–½ | Sanchez | Round 9: Ortiz, Marcos - Sanchez, Steven | Pterodactyl Defense: Eastern, Pteranodon | |
| Mar 24, 2024 | Vanegas Lopez | ½–½ | Ortiz | Round 8: Vanegas Lopez, Natanael Emanuel - Ortiz, Marcos | Caro-Kann Defense: Main Line | |
| Mar 23, 2024 | Ortiz | 1–0 | Espinoza | Round 7: Ortiz, Marcos - Espinoza, Felix | Sicilian Defense: Najdorf Variation, Traditional Line | |
| Mar 17, 2024 | Espinoza | 0–1 | Ortiz | Round 6: Espinoza, Jose - Ortiz, Marcos | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Mar 17, 2024 | Ortiz | ½–½ | Fonseca Cabrera | Round 5: Ortiz, Marcos - Fonseca Cabrera, Ernesto | Pirc Defense | |
| Mar 16, 2024 | Pineda | 0–1 | Ortiz | Round 4: Pineda, Juan Jose - Ortiz, Marcos | Sicilian Defense: Classical Variation | |
| Mar 10, 2024 | Ortiz | 0–1 | Rocha | Round 3: Ortiz, Marcos - Rocha, Maximiliano | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Mar 10, 2024 | Espinoza Solano | ½–½ | Ortiz | Round 2: Espinoza Solano, Jose Nahum - Ortiz, Marcos | French Defense: Exchange Variation | |
| Mar 9, 2024 | Ortiz | 1–0 | Picado | Round 1: Ortiz, Marcos - Picado, Jorge | Czech Defense | |
| Aug 29, 2021 | Ortiz | ½–½ | CarlosJoseAbiad | Online_Olympiad_Div3_PoolE | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Aug 29, 2021 | Zilleruelo Irizarry | 0–1 | Ortiz | Online_Olympiad_Div3_PoolE | Sicilian Defense: Chekhover Variation | |
| Aug 29, 2021 | Schwarz | ½–½ | Ortiz | Online_Olympiad_Div3_PoolE | Benko Gambit Accepted: Fianchetto Variation | |
| Aug 28, 2021 | Adu-Poku | 0–1 | Ortiz | Online_Olympiad_Div3_PoolE | Indian Defense: Przepiorka Variation | |
| Aug 27, 2021 | Ortiz | 0–1 | lemures27 | Online_Olympiad_Div3_PoolE | Sicilian Defense: Najdorf Variation | |
| Aug 27, 2021 | Sanchez Alvarez | 1–0 | Ortiz | Online_Olympiad_Div3_PoolE | King's Indian Defense: Normal Variation, Rare Defenses | |