| Mar 1, 2026 | Calles | 1–0 | Tobar | Round 9: Calles, Johan - Tobar, Jorge | Sicilian Defense: Grand Prix Attack | |
| Feb 28, 2026 | Agreda Camilo alejandro | 1–0 | Calles | Round 8: Agreda Camilo alejandro - Calles, Johan | Scandinavian Defense: Modern Variation, Gipslis Variation | |
| Feb 22, 2026 | Calles | 1–0 | Espinoza Espinoza | Round 7: Calles, Johan - Espinoza Espinoza, Nelson Enrique | French Defense: Exchange Variation | |
| Feb 21, 2026 | Calles | ½–½ | Coto Anaya | Round 6: Calles, Johan - Coto Anaya, Walter Alexander | Scandinavian Defense: Modern Variation | |
| Feb 14, 2026 | Calles | 1–0 | Navarrete | Round 5: Calles, Johan - Navarrete, Guillermo | King's Pawn Game | |
| Feb 8, 2026 | Melendez Cruz | 0–1 | Calles | Round 4: Melendez Cruz, Jose Roberto - Calles, Johan | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Feb 7, 2026 | Calles | * | Carlos Demetrio Escobar E. | Round 2: Calles, Johan - Carlos Demetrio Escobar E. | ? | |
| Sep 21, 2025 | Nerio | 1–0 | Calles | Ronda 9: Nerio, Carlos Salvador - Calles, Johan | Pirc Defense | |
| Sep 14, 2025 | Calles | ½–½ | Novoa Fuentes | Ronda 8: Calles, Johan - Novoa Fuentes, Mateo Alberto | Ruy Lopez: Classical Variation, Central Variation | |
| Sep 13, 2025 | Santos | 0–1 | Calles | Ronda 7: Santos, Ana Mariela - Calles, Johan | London System, with Be2 | |
| Sep 7, 2025 | Calles | 1–0 | Gonzalez Sanchez | Ronda 6: Calles, Johan - Gonzalez Sanchez, Hugo Antonio | Caro-Kann Defense: Campomanes Attack | |
| Sep 6, 2025 | Calles | ½–½ | Chavez | Ronda 5: Calles, Johan - Chavez, German Omar | Scandinavian Defense: Main Line | |
| Sep 1, 2025 | Vaquerano | 0–1 | Calles | Ronda 4: Vaquerano, Daniel Mateo - Calles, Johan | Rat Defense: Petruccioli Attack | |
| Sep 1, 2025 | Calles | * | Romero Martinez | Ronda 3: Calles, Johan - Romero Martinez, Helen Alexandra | Scandinavian Defense: Main Line | |
| — | Calles | 0–1 | Lucio Pinzon | FIDE World Youth U16 Chess Olympiad 2025 | Ruy Lopez: Cozio Defense | |
| — | Calles | 0–1 | Amith Boddapati | FIDE World Youth U16 Chess Olympiad 2025 | Sicilian Defense: Closed, Traditional | |
| — | Calles | 0–1 | Piza Vera | FIDE World Youth U16 Chess Olympiad 2025 | Sicilian Defense: Grand Prix Attack | |
| — | Calles | 0–1 | Montano Velasco | FIDE World Youth U16 Chess Olympiad 2025 | Caro-Kann Defense: Tartakower Variation | |
| — | Calles | 0–1 | Torres Hernandez | FIDE World Youth U16 Chess Olympiad 2025 | Sicilian Defense: Grand Prix Attack | |
| — | De Leon | 0–1 | Calles | FIDE World Youth U16 Chess Olympiad 2025 | Pirc Defense | |
| — | Devnani | 0–1 | Calles | Round 5: Devnani, Yash - Calles, Johan | Pirc Defense: Classical Variation | |
| — | Comas Bermeo | 0–1 | Calles | FIDE World Youth U16 Chess Olympiad 2025 | Pirc Defense: Classical Variation, Quiet System | |
| — | Rizo Lopez | 1–0 | Calles | FIDE World Youth U16 Chess Olympiad 2025 | Pirc Defense: Byrne Variation | |
