| Apr 2, 2026 | Mumbru Borges | 1–0 | Guiu Ruiz | Round 9: Mumbru Borges, Marc - Guiu Ruiz, Lluc | Sicilian Defense: Chekhover Variation | |
| Apr 1, 2026 | Guiu Ruiz | 0–1 | Sticca Rosales | Round 8: Guiu Ruiz, Lluc - Sticca Rosales, Matias Alberto | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Apr 1, 2026 | Guiu Ruiz | 1–0 | Costache | Round 7: Guiu Ruiz, Lluc - Costache, Stefan | French Defense: Advance Variation, Euwe Variation | |
| Mar 30, 2026 | Fernandez Alhama | ½–½ | Guiu Ruiz | Round 5: Fernandez Alhama, Lola - Guiu Ruiz, Lluc | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Mar 30, 2026 | Guiu Ruiz | 1–0 | Carbonell Uro | Round 4: Guiu Ruiz, Lluc - Carbonell Uro, Oleguer | Sicilian Defense: Old Sicilian | |
| Mar 29, 2026 | Vallribera Gil | 0–1 | Guiu Ruiz | Round 3: Vallribera Gil, Teo - Guiu Ruiz, Lluc | Queen's Gambit Declined: Janowski Variation | |
| Mar 29, 2026 | Guiu Ruiz | 1–0 | Hernaez Chavarria | Round 2: Guiu Ruiz, Lluc - Hernaez Chavarria, Edgar | Ruy Lopez: Exchange Variation, Alapin Gambit | |
| Mar 28, 2026 | Turuguet Vilardell | 0–1 | Guiu Ruiz | Round 1: Turuguet Vilardell, Jordi - Guiu Ruiz, Lluc | Queen's Pawn Game: London System | |
| Mar 22, 2026 | Badia Berthelot | ½–½ | Guiu Ruiz | Round 6: Badia Berthelot, Leo - Guiu Ruiz, Lluc | Sicilian Defense: Closed | |
| Dec 6, 2025 | Guiu Ruiz | 0–1 | Giraldez Requena | Copa de España por Equipos S-12 | Sicilian Defense: Hyperaccelerated Dragon | |
| Sep 3, 2025 | Guiu Ruiz | 0–1 | Penalva Cuerva | Round 5: Guiu Ruiz, Lluc - Penalva Cuerva, Fran | Sicilian Defense: Old Sicilian | |
| Sep 3, 2025 | Hladiy | 0–1 | Guiu Ruiz | Round 4: Hladiy, Mark - Guiu Ruiz, Lluc | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Sep 2, 2025 | Guiu Ruiz | 0–1 | Gonzalez Peiro | Round 2: Guiu Ruiz, Lluc - Gonzalez Peiro, Lukas | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Apr 13, 2025 | Font Sharapa | ½–½ | Guiu Ruiz | Campionat de Catalunya d'Edats Individual 2025 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | |
| Jul 6, 2024 | Castejon Tofe | ½–½ | Guiu Ruiz | CE SUB 10.2024 | Queen's Pawn Game: Colle System, Traditional Colle | |
| Jul 5, 2024 | Guiu Ruiz | 1–0 | Iraizoz Moreno | CE SUB 10.2024 | Sicilian Defense: Kan Variation, Knight Variation | |
| Jul 5, 2024 | Sergooris | 0–1 | Guiu Ruiz | CE SUB 10.2024 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Jul 4, 2024 | Melero Martinez | 1–0 | Guiu Ruiz | CE SUB 10.2024 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 3, 2024 | Guiu Ruiz | 0–1 | Beneyto de Ramon | CE SUB 10.2024 | Ruy Lopez: Exchange Variation, Normal Variation | |
| Jul 3, 2024 | Cubilledo Mendoza | 0–1 | Guiu Ruiz | CE SUB 10.2024 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 2, 2024 | Guiu Ruiz | 1–0 | Gevorgyan | CE SUB 10.2024 | Ruy Lopez: Berlin Defense, Beverwijk Variation | |
| Jul 1, 2024 | Guiu Ruiz | 1–0 | Ballestin Martinez | CE SUB 10.2024 | Ruy Lopez: Berlin Defense | |
| Jul 1, 2024 | Kuzmin | 1–0 | Guiu Ruiz | CE SUB 10.2024 | English Opening: King's English Variation | |
| Mar 27, 2024 | Perez Monakhov | 1–0 | Guiu Ruiz | Campionat de Catalunya d'Edats Individual 2024 | Queen's Gambit Declined: Janowski Variation | |
| Mar 27, 2024 | Guiu Ruiz | 0–1 | Caballero Mogilnikov | Campionat de Catalunya d'Edats Individual 2024 | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Mar 26, 2024 | Guiu Ruiz | 1–0 | Escobar Pavlik | Campionat de Catalunya d'Edats Individual 2024 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Mar 25, 2024 | Ortega Campallo | ½–½ | Guiu Ruiz | Campionat de Catalunya d'Edats Individual 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | |
| Mar 25, 2024 | Guiu Ruiz | 1–0 | Kukushkin | Campionat de Catalunya d'Edats Individual 2024 | Scandinavian Defense: Modern Variation | |