| Jun 15, 2026 | Villegas Trejo | 0–1 | Valadez Sepulveda | Round 11: Villegas Trejo, Octavio Santiago - Valadez Sepulveda, Joel Isaac | French Defense: Advance Variation | |
| Jun 13, 2026 | Villegas Trejo | 0–1 | Morales Segura | Round 10: Villegas Trejo, Octavio Santiago - Morales Segura, Francisco | Ruy Lopez: Exchange Variation | |
| Jun 10, 2026 | Sosa Guzman | ½–½ | Villegas Trejo | Round 9: Sosa Guzman, Daniel - Villegas Trejo, Octavio Santiago | Queen's Gambit Declined | |
| Jun 10, 2026 | Villegas Trejo | 0–1 | Gadea | Round 8: Villegas Trejo, Octavio Santiago - Gadea, Fernando | French Defense: Advance Variation, Euwe Variation | |
| Jun 9, 2026 | Vargas Ramos | 1–0 | Villegas Trejo | Round 6: Vargas Ramos, Rogelio Alberto - Villegas Trejo, Octavio Santiago | Queen's Pawn Game: Zukertort Variation | |
| Jun 8, 2026 | Villegas Trejo | 0–1 | Sosa Guzman | Round 9: Villegas Trejo, Octavio Santiago - Sosa Guzman, Daniel | Ruy Lopez: Exchange Variation, Keres Variation | |
| Jun 8, 2026 | Villegas Trejo | 0–1 | Duarte Cramer | Round 8: Villegas Trejo, Octavio Santiago - Duarte Cramer, Evelynn Renata | Sicilian Defense | |
| Jun 8, 2026 | Rubio Mora | 1–0 | Villegas Trejo | Round 7: Rubio Mora, Lenner Atlai - Villegas Trejo, Octavio Santiago | English Opening: Anglo-Indian Defense, Scandinavian Defense | |
| Jun 8, 2026 | Luna Monsalve | 1–0 | Villegas Trejo | Round 6: Luna Monsalve, Sofia - Villegas Trejo, Octavio Santiago | Slav Defense: Exchange Variation | |
| Jun 8, 2026 | Villegas Trejo | 0–1 | Padilla Liceaga | Round 5: Villegas Trejo, Octavio Santiago - Padilla Liceaga, Jorge | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jun 8, 2026 | Vazquez Pineda | 1–0 | Villegas Trejo | Round 4: Vazquez Pineda, Jorge Hector - Villegas Trejo, Octavio Santiago | Philidor Defense | |
| Jun 8, 2026 | Villegas Trejo | 0–1 | Ibarra Bautista | Round 3: Villegas Trejo, Octavio Santiago - Ibarra Bautista, Nimrod | Scandinavian Defense | |
| Jun 8, 2026 | Jackson | 1–0 | Villegas Trejo | Round 2: Jackson, Leo Daniel Olivera - Villegas Trejo, Octavio Santiago | Bird Opening: Dutch Variation | |
| Jun 8, 2026 | Argote Heredia | 1–0 | Villegas Trejo | Round 1: Argote Heredia, Valentina - Villegas Trejo, Octavio Santiago | King's Pawn Game | |
| Jun 7, 2026 | Barrios Cruz | 1–0 | Villegas Trejo | Round 5: Barrios Cruz, Mario Antonio - Villegas Trejo, Octavio Santiago | Ruy Lopez: Morphy Defense, Graz Variation | |
| Jun 7, 2026 | Villegas Trejo | ½–½ | Moccero | Round 4: Villegas Trejo, Octavio Santiago - Moccero, Eduardo | Nimzowitsch Defense | |
| Jun 5, 2026 | Escobar Alfaro | 1–0 | Villegas Trejo | Round 3: Escobar Alfaro, Salvador - Villegas Trejo, Octavio Santiago | Slav Defense: Quiet Variation, Schallopp Defense | |
| Jun 4, 2026 | Villegas Trejo | 0–1 | Telles Fukushima | Round 2: Villegas Trejo, Octavio Santiago - Telles Fukushima, Karla Akemi | Caro-Kann Defense | |
| Jun 4, 2026 | Diaz Guerrero | 1–0 | Villegas Trejo | Round 1: Diaz Guerrero, Jesus Daniel - Villegas Trejo, Octavio Santiago | Zukertort Opening | |
| Nov 14, 2025 | Tellez Escalante | 1–0 | Villegas Trejo | Round 2: Tellez Escalante, Miguel Angel - Villegas Trejo, Octavio Santiago | Semi-Slav Defense: Chigorin Defense | |