| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. J A Lacasa Diaz vs Topalov |
 | 0-1 | 50 | 1992 | St Cugat | C02 French, Advance |
| 2. J A Lacasa Diaz vs A Torrecillas Martinez |
| 0-1 | 35 | 1993 | Badalona Open | D02 Queen's Pawn Game |
| 3. J A Lacasa Diaz vs M Narciso Dublan |
| 1-0 | 36 | 1994 | Barcelona UGA | B03 Alekhine's Defense |
| 4. S Cacho Reigadas vs J A Lacasa Diaz |
| 1-0 | 22 | 1995 | ESP-chT | A46 Queen's Pawn Game |
| 5. P Moles Palleja vs J A Lacasa Diaz |
| ½-½ | 29 | 1999 | Catalunya-chT | A46 Queen's Pawn Game |
| 6. V Moskalenko vs J A Lacasa Diaz |
| 1-0 | 39 | 2000 | Banyoles op 3rd | E76 King's Indian, Four Pawns Attack |
| 7. J A Lacasa Diaz vs M Munoz Pantoja |
| 0-1 | 57 | 2001 | Vila de Poblenou op | B30 Sicilian |
| 8. A Mirzoev vs J A Lacasa Diaz |
| 1-0 | 22 | 2001 | III Sants Hostafrancs Open | A31 English, Symmetrical, Benoni Formation |
| 9. R Berzinsh vs J A Lacasa Diaz |
| ½-½ | 28 | 2001 | III Sants Hostafrancs Open | B86 Sicilian, Fischer-Sozin Attack |
| 10. J A Lacasa Diaz vs E van Haastert |
| ½-½ | 23 | 2001 | III Sants Hostafrancs Open | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 11. J A Lacasa Diaz vs V Moskalenko |
| 0-1 | 21 | 2002 | Catalunya-ch | C67 Ruy Lopez |
| 12. J A Lacasa Diaz vs M Munoz Pantoja |
| 1-0 | 37 | 2002 | Catalunya-ch | B30 Sicilian |
| 13. J A Lacasa Diaz vs V Moskalenko |
| ½-½ | 10 | 2002 | Sitges op 28th | B30 Sicilian |
| 14. J A Lacasa Diaz vs M Munoz Pantoja |
| ½-½ | 15 | 2002 | Sitges op 28th | B30 Sicilian |
| 15. J A Lacasa Diaz vs M Narciso Dublan |
| 1-0 | 29 | 2002 | Mondariz Cerrado-A | C67 Ruy Lopez |
| 16. I Cheparinov vs J A Lacasa Diaz |
| ½-½ | 35 | 2002 | Mondariz Cerrado-A | B81 Sicilian, Scheveningen, Keres Attack |
| 17. J A Lacasa Diaz vs M Narciso Dublan |
| 0-1 | 17 | 2003 | Andorra op 21st | B09 Pirc, Austrian Attack |
| 18. J Stocek vs J A Lacasa Diaz |
| 0-1 | 29 | 2003 | Hostafrancs op 5th | A60 Benoni Defense |
| 19. J A Lacasa Diaz vs V Moskalenko |
| 0-1 | 45 | 2003 | Hostafrancs op 5th | C18 French, Winawer |
| 20. J A Lacasa Diaz vs E Schiller |
| 0-1 | 6 | 2004 | XS08A | B06 Robatsch |
| 21. Sasikiran vs J A Lacasa Diaz |
| 1-0 | 39 | 2004 | Internet Section 10A g/8'+2 | A67 Benoni, Taimanov Variation |
| 22. J A Lacasa Diaz vs V Moskalenko |
| ½-½ | 31 | 2004 | Sitges op | B06 Robatsch |
| 23. J A Lacasa Diaz vs M Echarri Torres |
| 1-0 | 43 | 2004 | Fincas Mediterranea 1st | B43 Sicilian, Kan, 5.Nc3 |
| 24. J A Lacasa Diaz vs L Pamies Martinez |
| 1-0 | 32 | 2005 | Salou Open | B10 Caro-Kann |
| 25. Fedorchuk vs J A Lacasa Diaz |
| 1-0 | 20 | 2005 | Salou Open | B81 Sicilian, Scheveningen, Keres Attack |
Kibitzing
