| Jun 10, 2026 | Danielsen | 0–1 | Lacasa Diaz | Round 9: Danielsen, Henrik - Lacasa Diaz, Josep Anton | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jun 9, 2026 | Lacasa Diaz | ½–½ | Berend | Round 8: Lacasa Diaz, Josep Anton - Berend, Fred | English Opening: Anglo-Indian Defense | |
| Jun 8, 2026 | Adrian | 0–1 | Lacasa Diaz | Round 7: Adrian, Claude - Lacasa Diaz, Josep Anton | English Opening: Agincourt Defense | |
| Jun 7, 2026 | Lacasa Diaz | ½–½ | Lauber | Round 6: Lacasa Diaz, Josep Anton - Lauber, Arnd | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Jun 6, 2026 | Mannion | ½–½ | Lacasa Diaz | Round 5: Mannion, Stephen R - Lacasa Diaz, Josep Anton | Sicilian Defense: Taimanov Variation | |
| Jun 5, 2026 | Lacasa Diaz | 1–0 | Paasikangas | Round 4: Lacasa Diaz, Josep Anton - Paasikangas, Johanna | Zukertort Opening | |
| Jun 4, 2026 | Mantovani | ½–½ | Lacasa Diaz | Round 3: Mantovani, Renzo - Lacasa Diaz, Josep Anton | King's Indian Attack: Sicilian Variation | |
| Jun 3, 2026 | Lacasa Diaz | 1–0 | Termeulen | Round 2: Lacasa Diaz, Josep Anton - Termeulen, Albert | Pirc Defense: Classical Variation, Schlechter Variation | |
| Jun 2, 2026 | Van Ree | ½–½ | Lacasa Diaz | Round 1: Van Ree, Thailo - Lacasa Diaz, Josep Anton | Benoni Defense | |
| May 16, 2026 | Colomer Gomez | ½–½ | Lacasa Diaz | Game 2: Colomer Gomez, Jordi - Lacasa Diaz, Josep Anton | Nimzo-Larsen Attack: Classical Variation | |
| May 15, 2026 | Lacasa Diaz | 1–0 | Garcia Garcia | Game 1: Lacasa Diaz, Josep Anton - Garcia Garcia, Manel | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 14, 2026 | Lobo Munoz | 0–1 | Lacasa Diaz | Game 2: Lobo Munoz, Alberto - Lacasa Diaz, Josep Anton | Nimzo-Larsen Attack: Classical Variation | |
| May 13, 2026 | Lacasa Diaz | ½–½ | Argerich Farras | Game 1: Lacasa Diaz, Josep Anton - Argerich Farras, Josep | Zukertort Opening | |
| May 12, 2026 | Fernandez Lozano | 0–1 | Lacasa Diaz | Game 2: Fernandez Lozano, Francesc - Lacasa Diaz, Josep Anton | English Opening: Agincourt Defense, Wimpy System | |
| May 11, 2026 | Lacasa Diaz | ½–½ | Torrecillas Martinez | Game 1: Lacasa Diaz, Josep Anton - Torrecillas Martinez, Antonio | Zukertort Opening | |
| May 10, 2026 | Saldana Caballe | 0–1 | Lacasa Diaz | Game 2: Saldana Caballe, Enric - Lacasa Diaz, Josep Anton | Sicilian Defense: Scheveningen Variation, Modern Variation | |
| May 9, 2026 | Lacasa Diaz | 1–0 | Sanchez Bernardino | Game 1: Lacasa Diaz, Josep Anton - Sanchez Bernardino, Miguel Angel | English Opening: Symmetrical Variation, Four Knights Variation | |
| Apr 11, 2026 | Garcia Ramos | ½–½ | Lacasa Diaz | Barcelona Vs Mollet | Zukertort Opening: Reversed Grünfeld | |
| Mar 21, 2026 | Lacasa Diaz | 1–0 | Lorenzo De La Riva | Ronda 10 Mollet Vs Barberà: Lacasa Diaz, Josep Anton - Lorenzo De La Riva, Lazaro | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Feb 21, 2026 | Tallo Dominguez | 0–1 | Lacasa Diaz | Ronda 6 Ateneu Colon Vs Mollet: Tallo Dominguez, Imar - Lacasa Diaz, Josep Anton | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Feb 14, 2026 | Lacasa Diaz | 1–0 | Jurado Coderch | Ronda 5 Mollet Vs Olot: Lacasa Diaz, Josep Anton - Jurado Coderch, Heribert | Zukertort Opening | |
| Jan 24, 2026 | Gual Pascual | ½–½ | Lacasa Diaz | Lira Vendrellenca Vs Mollet | Tarrasch Defense: Classical Variation, Classical Tarrasch Gambit | |
| Jan 7, 2026 | Lacasa Diaz | 1–0 | Cabanas Lopez | Open de Roquetas 2026 | Zukertort Opening | |
| Jan 6, 2026 | Jankowiak | 0–1 | Lacasa Diaz | Open de Roquetas 2026 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jan 3, 2026 | Lacasa Diaz | 0–1 | Ghosh | Open de Roquetas 2026 | Zukertort Opening | |
| Dec 19, 2025 | Lacasa Diaz | 0–1 | Itgelt | Sunway Sitges 2025 | Zukertort Opening | |
| Dec 19, 2025 | Ilinca | 1–0 | Lacasa Diaz | Sunway Sitges 2025 | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| Dec 19, 2025 | Aradhya | ½–½ | Lacasa Diaz | Sunway Sitges 2025 | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch | |
| Nov 16, 2025 | Lacasa Diaz | 1–0 | Barbera Estelles | Ronda 9: Lacasa Diaz, Josep Anton - Barbera Estelles, Rosendo | King's Indian Defense: Orthodox Variation | |
| Nov 4, 2025 | Torrecillas Martinez | ½–½ | Lacasa Diaz | Ronda 8: Torrecillas Martinez, Antonio - Lacasa Diaz, Josep Anton | Sicilian Defense: Taimanov Variation | |
| Nov 4, 2025 | Lacasa Diaz | 1–0 | Bosque Ortega | Ronda 7: Lacasa Diaz, Josep Anton - Bosque Ortega, Xavier | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 4, 2025 | Candela Perez | 1–0 | Lacasa Diaz | Ronda 6: Candela Perez, Jose - Lacasa Diaz, Josep Anton | English Opening: Agincourt Defense, Wimpy System | |
| Nov 4, 2025 | Lacasa Diaz | 1–0 | Grabuzova | Ronda 5: Lacasa Diaz, Josep Anton - Grabuzova, Tatiana | French Defense: Advance Variation, Euwe Variation | |
| Nov 4, 2025 | Lamas Mercadal | 0–1 | Lacasa Diaz | Ronda 4: Lamas Mercadal, Manuel - Lacasa Diaz, Josep Anton | Sicilian Defense: Kan Variation, Wing Attack | |
| Nov 4, 2025 | Lacasa Diaz | 1–0 | Gonzalez Martinez | Ronda 3: Lacasa Diaz, Josep Anton - Gonzalez Martinez, Miguel Angel | Old Indian Defense: Normal Variation | |
| Nov 4, 2025 | Fernandez Torre | 0–1 | Lacasa Diaz | Ronda 2: Fernandez Torre, Ivan - Lacasa Diaz, Josep Anton | Tarrasch Defense: Dubov Tarrasch | |
| Nov 4, 2025 | Lacasa Diaz | 1–0 | Fernandez Muixi | Ronda 1: Lacasa Diaz, Josep Anton - Fernandez Muixi, Francesc | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Nov 1, 2025 | Lacasa Diaz | ½–½ | Plotkin | Round 11: Lacasa Diaz, Josep Anton - Plotkin, Victor | English Opening: Agincourt Defense | |
| Oct 31, 2025 | Godena | 1–0 | Lacasa Diaz | Round 10: Godena, Michele - Lacasa Diaz, Josep Anton | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Oct 30, 2025 | Van der Werf | ½–½ | Lacasa Diaz | Round 9: Van der Werf, Mark - Lacasa Diaz, Josep Anton | Tarrasch Defense: Two Knights Variation | |
| Oct 29, 2025 | Lacasa Diaz | ½–½ | Lima | Round 8: Lacasa Diaz, Josep Anton - Lima, Darcy | King's Indian Defense: Normal Variation, Rare Defenses | |
| Oct 28, 2025 | Lacasa Diaz | 1–0 | Grant | Round 7: Lacasa Diaz, Josep Anton - Grant, Jonathan I M | Queen's Gambit Declined: Three Knights Variation | |
| Oct 26, 2025 | Betaneli | ½–½ | Lacasa Diaz | Round 6: Betaneli, Alexander - Lacasa Diaz, Josep Anton | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch Bishop Attack | |
| Oct 25, 2025 | Lacasa Diaz | 1–0 | Melikhov | Round 5: Lacasa Diaz, Josep Anton - Melikhov, Evgeny V. | Ruy Lopez: Open, Dilworth Variation | |
| Oct 24, 2025 | Gluckman | ½–½ | Lacasa Diaz | Round 4: Gluckman, David - Lacasa Diaz, Josep Anton | King's Indian Attack: Sicilian Variation | |
| Oct 23, 2025 | Lacasa Diaz | ½–½ | Folk | Round 3: Lacasa Diaz, Josep Anton - Folk, Petr | King's Indian Defense: Orthodox Variation, Classical System | |
| Oct 22, 2025 | Nikolaidis | ½–½ | Lacasa Diaz | Round 2: Nikolaidis, Konstantinos - Lacasa Diaz, Josep Anton | Sicilian Defense: Dragon Variation | |
| Oct 21, 2025 | Lacasa Diaz | 1–0 | Mauron | Round 1: Lacasa Diaz, Josep Anton - Mauron, Pierre | Zukertort Opening | |
| Oct 5, 2025 | Lacasa Diaz | ½–½ | Thorhallsson | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Zukertort Opening | |
| Oct 4, 2025 | Lacasa Diaz | 1–0 | Mrva | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | King's Indian Defense: Orthodox Variation, Classical System | |
| Oct 2, 2025 | Lacasa Diaz | 1–0 | Cmiel | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Zukertort Opening | |
| Oct 1, 2025 | Holzke | ½–½ | Lacasa Diaz | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Sicilian Defense: Open | |
| Sep 30, 2025 | Lacasa Diaz | ½–½ | Sielecki | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | King's Indian Defense: Orthodox Variation, Classical System | |
| Sep 29, 2025 | Stets | ½–½ | Lacasa Diaz | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Queen's Pawn Game: Krause Variation | |
| Sep 28, 2025 | Lacasa Diaz | 1–0 | Grgurevic | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Modern Defense: Two Knights Variation | |
| Sep 27, 2025 | Menac Comas | 0–1 | Lacasa Diaz | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Zukertort Opening: Nimzo-Larsen Variation | |
| Sep 24, 2025 | Degraeve | ½–½ | Lacasa Diaz | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jul 13, 2025 | Lacasa Diaz | ½–½ | Mompel Ferruz | V Open Internacional Vila del Vendrell - Memorial Josep Maria Pellicer | Zukertort Opening | |
| Jul 13, 2025 | Lacasa Diaz | 1–0 | Bru Rullo | V Open Internacional Vila del Vendrell - Memorial Josep Maria Pellicer | Nimzo-Larsen Attack: Classical Variation | |
| Jul 13, 2025 | Villa Tornero | 1–0 | Lacasa Diaz | V Open Internacional Vila del Vendrell - Memorial Josep Maria Pellicer | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 13, 2025 | Lacasa Diaz | 1–0 | Mateos Rozas | V Open Internacional Vila del Vendrell - Memorial Josep Maria Pellicer | Nimzo-Larsen Attack: Indian Variation | |
| May 24, 2025 | Lacasa Diaz | 1–0 | Busom Isach | Round 19: Lacasa Diaz, Josep Anton - Busom Isach, Carlos | English Opening: Agincourt Defense | |
| May 23, 2025 | Madria Garriga | 0–1 | Lacasa Diaz | Round 18: Madria Garriga, Vidal - Lacasa Diaz, Josep Anton | Rapport-Jobava System | |
| May 22, 2025 | Lacasa Diaz | 1–0 | Colomer Gomez | Round 12: Lacasa Diaz, Josep Anton - Colomer Gomez, Jordi | Zukertort Opening | |
| May 21, 2025 | Romero Perera | 0–1 | Lacasa Diaz | Round 11: Romero Perera, Eugeni - Lacasa Diaz, Josep Anton | Queen's Pawn Game: Krause Variation | |
| May 20, 2025 | Lacasa Diaz | ½–½ | Torrecillas Martinez | Round 6: Lacasa Diaz, Josep Anton - Torrecillas Martinez, Antonio | King's Indian Defense: Orthodox Variation, Classical System | |
| May 19, 2025 | Gutierrez Martinez | 0–1 | Lacasa Diaz | Round 5: Gutierrez Martinez, Xavier - Lacasa Diaz, Josep Anton | Blackmar-Diemer Gambit: Reversed Albin Countergambit | |
| May 19, 2025 | Bogdanov | 1–0 | Lacasa Diaz | V Open Internacional Vila del Vendrell - Memorial Josep Maria Pellicer | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 19, 2025 | Domene Mulyukov | 0–1 | Lacasa Diaz | V Open Internacional Vila del Vendrell - Memorial Josep Maria Pellicer | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 17, 2025 | Sanchez Bernardino | 0–1 | Lacasa Diaz | Round 1: Sanchez Bernardino, Miguel Angel - Lacasa Diaz, Josep Anton | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jan 7, 2025 | Lacasa Diaz | * | BYE | Roquetas 25 | ? | |
| Jan 6, 2025 | Lacasa Diaz | ½–½ | Zhao | Roquetas 25 | Zukertort Opening | |
| Jan 6, 2025 | Kopylov | 1–0 | Lacasa Diaz | Roquetas 25 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Jan 5, 2025 | Lacasa Diaz | 1–0 | Conon | Roquetas 25 | Zukertort Opening | |
| Jan 4, 2025 | Lacasa Diaz | 0–1 | Xu | Roquetas 25 | Caro-Kann Defense: Exchange Variation | |
| Jan 4, 2025 | Jimenez Fernandez | ½–½ | Lacasa Diaz | Roquetas 25 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jan 3, 2025 | Lacasa Diaz | * | Portero Rubio | Roquetas 25 | ? | |
| Jan 3, 2025 | Vergara Anton | ½–½ | Lacasa Diaz | Roquetas 25 | Queen's Pawn Game: Krause Variation | |
| Jan 2, 2025 | Martin Sanchez | * | Lacasa Diaz | Roquetas 25 | ? | |
| Dec 22, 2024 | Lacasa Diaz | ½–½ | Gormally | XI Sunway Sitges International Chess Festival 2024 - Group A | King's Indian Defense: Orthodox Variation | |
| Dec 21, 2024 | Lacasa Diaz | 1–0 | Koudounis | XI Sunway Sitges International Chess Festival 2024 - Group A | English Opening: Agincourt Defense | |
| Dec 20, 2024 | Charvein | 0–1 | Lacasa Diaz | XI Sunway Sitges International Chess Festival 2024 - Group A | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Dec 18, 2024 | Singh | 1–0 | Lacasa Diaz | XI Sunway Sitges International Chess Festival 2024 - Group A | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Dec 16, 2024 | Lacasa Diaz | ½–½ | Jaksland | XI Sunway Sitges International Chess Festival 2024 - Group A | English Opening: Symmetrical Variation, Four Knights Variation | |
| Dec 15, 2024 | Mizzi | ½–½ | Lacasa Diaz | XI Sunway Sitges International Chess Festival 2024 - Group A | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch | |
| Nov 28, 2024 | Ovetchkin | 1–0 | Lacasa Diaz | World Senior Chess Championship 2024 | Zukertort Opening: Reversed Grünfeld | |
| Nov 27, 2024 | Lacasa Diaz | 1–0 | Garma | World Senior Chess Championship 2024 | English Opening: Symmetrical Variation | |
| Nov 26, 2024 | Lacasa Diaz | 1–0 | Mantovani | World Senior Chess Championship 2024 | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Nov 25, 2024 | Kaidanov | 1–0 | Lacasa Diaz | World Senior Chess Championship 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Nov 24, 2024 | Lacasa Diaz | 1–0 | Van den Bersselaar | World Senior Chess Championship 2024 | Caro-Kann Defense: Panov Attack, Fianchetto Defense, Fianchetto Gambit | |
| Nov 22, 2024 | Dimitrijeski | ½–½ | Lacasa Diaz | World Senior Chess Championship 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 19, 2024 | Lacasa Diaz | 0–1 | Eckert | World Senior Chess Championship 2024 | Zukertort Opening | |
| Nov 2, 2024 | Lacasa Diaz | ½–½ | Nikolaidis | Round 9: Lacasa Diaz, Josep Anton - Nikolaidis, Konstantinos | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Oct 31, 2024 | Lacasa Diaz | 1–0 | Svenn | Round 7: Lacasa Diaz, Josep Anton - Svenn, Gosta | Dutch Defense: Classical Variation, Buenos Aires Variation | |
| Oct 30, 2024 | Fruehauf | 0–1 | Lacasa Diaz | Round 6: Fruehauf, Norbert - Lacasa Diaz, Josep Anton | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Oct 29, 2024 | Lacasa Diaz | 1–0 | Kirszenberg | Round 5: Lacasa Diaz, Josep Anton - Kirszenberg, Marc | English Opening: Caro-Kann Defensive System | |
| Oct 28, 2024 | Naslund | ½–½ | Lacasa Diaz | Round 4: Naslund, Mikael - Lacasa Diaz, Josep Anton | Queen's Pawn Game: Symmetrical Variation | |
| Oct 26, 2024 | Lacasa Diaz | ½–½ | Genovese | Round 1: Lacasa Diaz, Josep Anton - Genovese, Alberto | Zukertort Opening | |
| Oct 26, 2024 | Kekelidze | ½–½ | Lacasa Diaz | Round 8: Kekelidze, Mikheil - Lacasa Diaz, Josep Anton | Sicilian Defense: Dragon Variation | |
| Oct 13, 2024 | Lacasa Diaz | 1–0 | Candela Perez | SUPRA 50.2024 | Zukertort Opening | |