| Oct 28, 2025 | Taramuel Quiguantar | 1–0 | Guarin Fonseca | Round 8: Taramuel Quiguantar, Leandro Jair - Guarin Fonseca, Thomas Alfredo | King's Pawn Game | |
| Oct 28, 2025 | Guarin Fonseca | 1–0 | Derick | Round 9: Guarin Fonseca, Thomas Alfredo - Derick, Christopher | Queen's Pawn Game | |
| Oct 28, 2025 | Guarin Fonseca | 0–1 | Diaz Alzate | Round 7: Guarin Fonseca, Thomas Alfredo - Diaz Alzate, Thomas | Trompowsky Attack | |
| Oct 28, 2025 | Pacheco Santander | 0–1 | Guarin Fonseca | Round 6: Pacheco Santander, Jose David - Guarin Fonseca, Thomas Alfredo | French Defense: Marshall Gambit | |
| Oct 28, 2025 | Guarin Fonseca | 1–0 | Perea Torres | Round 5: Guarin Fonseca, Thomas Alfredo - Perea Torres, Samuel Dario | Queen's Pawn Game: Accelerated London System | |
| Oct 28, 2025 | Fandino Mateus | 0–1 | Guarin Fonseca | Round 4: Fandino Mateus, Jose Daniel - Guarin Fonseca, Thomas Alfredo | French Defense: Advance Variation | |
| Oct 28, 2025 | Guarin Fonseca | 0–1 | Torres Soto | Round 3: Guarin Fonseca, Thomas Alfredo - Torres Soto, Angel Emmanuel | Queen's Pawn Game: Accelerated London System | |
| Oct 28, 2025 | Pantoja Romero | 1–0 | Guarin Fonseca | Round 2: Pantoja Romero, Salvador - Guarin Fonseca, Thomas Alfredo | French Defense: Advance Variation | |
| Oct 28, 2025 | Guarin Fonseca | 0–1 | Jimenez Rios | Round 1: Guarin Fonseca, Thomas Alfredo - Jimenez Rios, Manuel David | Queen's Pawn Game: Levitsky Attack | |
| Oct 28, 2025 | Guarin Fonseca | 1–0 | Torres Soto | Round 6: Guarin Fonseca, Thomas Alfredo - Torres Soto, Angel Emmanuel | Queen's Pawn Game: Accelerated London System | |
| Oct 28, 2025 | Montes Suarez | 0–1 | Guarin Fonseca | Round 5: Montes Suarez, Gerard - Guarin Fonseca, Thomas Alfredo | French Defense: Knight Variation | |
| Oct 28, 2025 | Vergara Canchila | 1–0 | Guarin Fonseca | Round 4: Vergara Canchila, Cesar Dario - Guarin Fonseca, Thomas Alfredo | French Defense: Franco-Hiva Gambit Accepted | |
| Oct 27, 2025 | Guarin Fonseca | 0–1 | Payares Diaz | Round 3: Guarin Fonseca, Thomas Alfredo - Payares Diaz, Alejandro | London System, with Bd3 | |
| Oct 27, 2025 | Reinoso Rojas | 0–1 | Guarin Fonseca | Round 2: Reinoso Rojas, Juan Manuel - Guarin Fonseca, Thomas Alfredo | French Defense | |
| Oct 27, 2025 | Guarin Fonseca | 0–1 | Jimenez Rios | Round 1: Guarin Fonseca, Thomas Alfredo - Jimenez Rios, Manuel David | Trompowsky Attack | |
| Oct 27, 2025 | Guarin Fonseca | 0–1 | Juan Miguel Alvarado Payares | Round 6: Guarin Fonseca, Thomas Alfredo - Juan Miguel Alvarado Payares | Horwitz Defense | |
| Oct 26, 2025 | Guarin Fonseca | 1–0 | Vergara Canchila | Round 5: Guarin Fonseca, Thomas Alfredo - Vergara Canchila, Cesar Dario | Caro-Kann Defense: Exchange Variation | |
| Oct 26, 2025 | Said Mateo Manrique Linares | 0–1 | Guarin Fonseca | Round 4: Said Mateo Manrique Linares - Guarin Fonseca, Thomas Alfredo | Indian Defense | |
| Oct 25, 2025 | Guarin Fonseca | 0–1 | Chicue Delgado | Round 3: Guarin Fonseca, Thomas Alfredo - Chicue Delgado, Jhoan Andres | Queen's Pawn Game: Colle System | |
| Oct 25, 2025 | Torres Soto | ½–½ | Guarin Fonseca | Round 2: Torres Soto, Angel Emmanuel - Guarin Fonseca, Thomas Alfredo | Queen's Pawn Game: Zukertort Variation | |
| Oct 25, 2025 | Payares Diaz | 1–0 | Guarin Fonseca | Round 1: Payares Diaz, Alejandro - Guarin Fonseca, Thomas Alfredo | French Defense: Franco-Hiva Gambit Accepted | |