| May 18, 2026 | Martinez | ½–½ | Lamas | Round 6: Martinez, Valentino - Lamas, Joaquin | Three Knights Opening | |
| May 18, 2026 | Suarez | 1–0 | Lamas | Round 5: Suarez, Lucia - Lamas, Joaquin | Pirc Defense | |
| May 17, 2026 | Lamas | 1–0 | Tachini | Round 3: Lamas, Joaquin - Tachini, Luis | English Opening: Symmetrical Variation | |
| May 16, 2026 | Rodriguez | 0–1 | Lamas | Round 2: Rodriguez, Lorenzo - Lamas, Joaquin | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| May 16, 2026 | Lamas | 1–0 | Fabra | Round 1: Lamas, Joaquin - Fabra, Nathaniel | King's Indian Defense: Fianchetto Variation, Benjamin Defense | |
| May 15, 2026 | Lamas | ½–½ | Canias | Round 4: Lamas, Joaquin - Canias, Federico | Sicilian Defense | |
| Apr 26, 2026 | Lamas | ½–½ | Delgado | Round 6: Lamas, Joaquin - Delgado, Nazareno | French Defense: Exchange Variation | |
| Apr 26, 2026 | Borgiani | 1–0 | Lamas | Round 5: Borgiani, Juan - Lamas, Joaquin | Queen's Pawn Game: London System | |
| Apr 25, 2026 | Lamas | 1–0 | Contardi | Round 4: Lamas, Joaquin - Contardi, Mateo | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Apr 25, 2026 | Pizarro | 0–1 | Lamas | Round 3: Pizarro, Nick - Lamas, Joaquin | Sicilian Defense: Lasker-Pelikan Variation | |
| Apr 25, 2026 | Lamas | 0–1 | Garcia | Round 2: Lamas, Joaquin - Garcia, Constancio | Queen's Pawn Game: Zukertort Variation | |
| Apr 24, 2026 | Porteiro | 0–1 | Lamas | Round 1: Porteiro, Clara - Lamas, Joaquin | Queen's Pawn Game: Colle System | |
| Feb 17, 2026 | Izquierdo | ½–½ | Lamas | Round 8: Izquierdo, Sebastian - Lamas, Joaquin | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Feb 13, 2026 | Lamas | 0–1 | Soto | Round 1: Lamas, Joaquin - Soto, Nicolas | French Defense: Exchange Variation | |
| Apr 20, 2024 | Lamas | 0–1 | Caballero | Round 1: Lamas, Joaquin - Caballero, Tabare | French Defense: Advance Variation, Paulsen Attack | |