| 23 ago 2026 | Ortiz Monsalve, Sebastian 2032 | Smeets, Christiaan 2033 | ½-½ | C48 Apertura de los Cuatro Caballos: Spanish Variation | CARIBBEAN CHESS CUP 2026 - OPEN | 35 | Ver |
| 21 ago 2026 | Bedi, Vaibhav 2012 | Ortiz Monsalve, Sebastian 2032 | ½-½ | C02 Defensa Francesa: Advance Variation, Wade Variation | CARIBBEAN CHESS CUP 2026 - OPEN | 28 | Ver |
| 7 ago 2026 | Ospina Castro, Santiago 2148 | Ortiz Monsalve, Sebastian 2032 | ½-½ | C10 Defensa Francesa: Rubinstein Variation, Blackburne Defense | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 28 | Ver |
| 6 ago 2026 | Garcia Pantoja, Roberto 2481 | Ortiz Monsalve, Sebastian 2032 | 1-0 | C11 Defensa Francesa: Steinitz Variation, Boleslavsky Variation | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 34 | Ver |
| 5 ago 2026 | Cabralis, Quinn 2250 | Ortiz Monsalve, Sebastian 2032 | 1-0 | C02 Defensa Francesa: Advance Variation, Euwe Variation | CARIBBEAN CHESS CUP 2026 - OPEN | 42 | Ver |
| 5 ago 2026 | Ortiz Monsalve, Sebastian 2032 | Mendez Ramirez, Victor 2275 | 1-0 | C11 Defensa Francesa: Steinitz Variation, Boleslavsky Variation | XXXIII IRT Internacional Feria de las Flores 2026 | Internacional | 36 | Ver |
| 1 ago 2026 | Ortiz Monsalve, Sebastian 2032 | Rueda Rojas, Richard Alejandro 2155 | ½-½ | C15 Defensa Francesa: Winawer Variation, Fingerslip Variation | XXXVI Pan-American Youth Chess Festival | O18 | 8 | Ver |
| 10 ene 2026 | Ortiz Monsalve, Sebastian 2040 | Gallego, Julian Andres 2228 | 0-1 | B28 Defensa Siciliana: O'Kelly Variation, Maróczy Bind | XXXI IRT Feria de Manizales Colombia | Clásico | 37 | Ver |
| 7 ene 2026 | Zapata Sanchez, Juan Jose 2196 | Ortiz Monsalve, Sebastian 2019 | 1-0 | A40 Horwitz Defense | XXXI IRT Feria de Manizales Colombia |Blitz | 44 | Ver |
| 7 ene 2026 | Munoz Galvez, Jhon Edison 2267 | Ortiz Monsalve, Sebastian 2019 | 1-0 | D06 Gambito de Dama rehusado: Austrian Defense | XXXI IRT Feria de Manizales Colombia |Blitz | 56 | Ver |
| 11 dic 2025 | Jimenez Salas, Maria Teresa 2200 | Ortiz Monsalve, Sebastian 2033 | 1-0 | C14 Defensa Francesa: Classical Variation, Steinitz Variation | XXI Festival Sudamericano de la Juventud 2025 | Clásico Sub-18 Abs | 80 | Ver |
| 11 dic 2025 | Ortiz Monsalve, Sebastian 2033 | Ramirez Sifuentes, Luis Angel 2187 | 0-1 | B28 Defensa Siciliana: O'Kelly Variation, Normal System | XXI Festival Sudamericano de la Juventud 2025 | Clásico Sub-18 Abs | 27 | Ver |
| 10 dic 2025 | Bolanos Lopez, Juan Jacobo 2146 | Ortiz Monsalve, Sebastian 2033 | 0-1 | C02 Defensa Francesa: Advance Variation, Euwe Variation | XXI Festival Sudamericano de la Juventud 2025 | Clásico Sub-18 Abs | 49 | Ver |
| 10 dic 2025 | Ortiz Monsalve, Sebastian 2033 | Parra Gonzales, Andre Leonardo 2109 | 1-0 | B60 Defensa Siciliana: Richter-Rauzer Variation, Modern Variation | XXI Festival Sudamericano de la Juventud 2025 | Clásico Sub-18 Abs | 48 | Ver |
| 11 oct 2025 | Ortiz Monsalve, Sebastian 2061 | Lopez, Jasel 2344 | 0-1 | B42 Defensa Siciliana: Kan Variation, Polugaevsky Variation | Aruba Chess Challenge 2025 | 46 | Ver |
| 11 oct 2025 | Ortiz Monsalve, Sebastian 2061 | Smeets, Christiaan 2048 | 1-0 | B08 Defensa Pirc: Classical Variation | Aruba Chess Challenge 2025 | 36 | Ver |
| 17 sep 2025 | Sanchez Alvarez, Roberto Carlos 2360 | Ortiz Monsalve, Sebastian 2061 | 1-0 | E20 Defensa Nimzoindia: Romanishin Variation | Aruba Chess Challenge 2025 | 38 | Ver |