| Nov 11, 2023 | Victor Manuel Vehi Bach | ½–½ | Jose Antonio Lacasa Diaz | Round 9: Victor Manuel Vehi Bach - Jose Antonio Lacasa Diaz | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Nov 10, 2023 | Jose Antonio Lacasa Diaz | 0–1 | Hipolito Asis Gargatagli | Round 8: Jose Antonio Lacasa Diaz - Hipolito Asis Gargatagli | Sicilian Defense: Moscow Variation | |
| Nov 9, 2023 | Jose Antonio Lacasa Diaz | 1–0 | Julio Antonio Hernando Rodrigo | Round 7: Jose Antonio Lacasa Diaz - Julio Antonio Hernando Rodrigo | French Defense: Winawer Variation, Advance Variation | |
| Nov 8, 2023 | Sergi Pham Guerrero | 0–1 | Jose Antonio Lacasa Diaz | Round 6: Sergi Pham Guerrero - Jose Antonio Lacasa Diaz | Sicilian Defense: Closed | |
| Nov 7, 2023 | Jose Antonio Lacasa Diaz | ½–½ | Alexander Domene Mulyukov | Round 5: Jose Antonio Lacasa Diaz - Alexander Domene Mulyukov | Sicilian Defense: French Variation | |
| Nov 6, 2023 | Cecilia Guillo Longares | ½–½ | Jose Antonio Lacasa Diaz | Round 4: Cecilia Guillo Longares - Jose Antonio Lacasa Diaz | Queen's Gambit Declined: Janowski Variation | |
| Nov 5, 2023 | Jose Antonio Lacasa Diaz | 1–0 | Josep Vinas Racionero | Round 3: Jose Antonio Lacasa Diaz - Josep Vinas Racionero | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Nov 5, 2023 | Adhara Rodriguez Redondo | 1–0 | Jose Antonio Lacasa Diaz | Round 2: Adhara Rodriguez Redondo - Jose Antonio Lacasa Diaz | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Nov 4, 2023 | Jose Antonio Lacasa Diaz | 1–0 | Ioulia Makka | Round 1: Jose Antonio Lacasa Diaz - Ioulia Makka | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Jul 9, 2023 | Gerard Ano Pla | ½–½ | Jose Antonio Lacasa Diaz | Round 9: Gerard Ano Pla - Jose Antonio Lacasa Diaz | Tarrasch Defense: Symmetrical Variation | |
| Jul 8, 2023 | Jose Antonio Lacasa Diaz | 1–0 | Alexander Domene Mulyukov | Round 8: Jose Antonio Lacasa Diaz - Alexander Domene Mulyukov | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jul 7, 2023 | Oriol Serra Canals | 0–1 | Jose Antonio Lacasa Diaz | Round 7: Oriol Serra Canals - Jose Antonio Lacasa Diaz | Queen's Gambit Declined | |
| Jul 6, 2023 | Jose Antonio Lacasa Diaz | ½–½ | Antonio Torrecillas Martinez | Round 6: Jose Antonio Lacasa Diaz - Antonio Torrecillas Martinez | French Defense: Advance Variation, Euwe Variation | |
| Jul 5, 2023 | Jose Antonio Lacasa Diaz | 1–0 | Nicolas Jimenez Munoz | Round 5: Jose Antonio Lacasa Diaz - Nicolas Jimenez Munoz | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Jul 4, 2023 | Adrian Jimenez Ruano | ½–½ | Jose Antonio Lacasa Diaz | Round 4: Adrian Jimenez Ruano - Jose Antonio Lacasa Diaz | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch Bishop Attack | |
| Jul 3, 2023 | Jose Antonio Lacasa Diaz | 1–0 | Miguel Angel Aribau Rivas | Round 3: Jose Antonio Lacasa Diaz - Miguel Angel Aribau Rivas | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 2, 2023 | Enric Regue Farran | 0–1 | Jose Antonio Lacasa Diaz | Round 2: Enric Regue Farran - Jose Antonio Lacasa Diaz | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Jul 1, 2023 | Jose Antonio Lacasa Diaz | 1–0 | Oriol Lacasa Diaz | Round 1: Jose Antonio Lacasa Diaz - Oriol Lacasa Diaz | King's Indian Attack: Sicilian Variation | |
| May 7, 2023 | Jose Antonio Lacasa Diaz | ½–½ | Marc Narciso Dublan | Round 9: Jose Antonio Lacasa Diaz - Marc Narciso Dublan | French Defense: Advance Variation, Paulsen Attack | |
| May 7, 2023 | Luis Rojas Keim | ½–½ | Jose Antonio Lacasa Diaz | Round 8: Luis Rojas Keim - Jose Antonio Lacasa Diaz | Sicilian Defense: Chekhover Variation | |
| May 7, 2023 | Ernesto J. Fernandez Guillen | 1–0 | Jose Antonio Lacasa Diaz | Round 4: Ernesto J. Fernandez Guillen - Jose Antonio Lacasa Diaz | Sicilian Defense: Dragon Variation | |
