| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. J A Lacasa Diaz vs M Gramb |
| 1-0 | 47 | 2023 | El Llobregat Open | C50 Giuoco Piano |
| 52. V Sanal vs J A Lacasa Diaz |
| 1-0 | 42 | 2023 | El Llobregat Open | B72 Sicilian, Dragon |
| 53. J A Lacasa Diaz vs J Pomes Marcet |
| ½-½ | 35 | 2023 | El Llobregat Open | C02 French, Advance |
| 54. J A Lacasa Diaz vs D Eckert |
| 0-1 | 35 | 2024 | World Senior Championship 50+ | A06 Reti Opening |
| 55. B Dimitrijeski vs J A Lacasa Diaz |
| ½-½ | 25 | 2024 | World Senior Championship 50+ | D35 Queen's Gambit Declined |
| 56. J A Lacasa Diaz vs J van den Bersselaar |
| 1-0 | 26 | 2024 | World Senior Championship 50+ | B13 Caro-Kann, Exchange |
| 57. Kaidanov vs J A Lacasa Diaz |
| 1-0 | 7 | 2024 | World Senior Championship 50+ | B76 Sicilian, Dragon, Yugoslav Attack |
| 58. J A Lacasa Diaz vs R Mantovani |
| 1-0 | 41 | 2024 | World Senior Championship 50+ | B36 Sicilian, Accelerated Fianchetto |
| 59. J A Lacasa Diaz vs C Garma |
| 1-0 | 36 | 2024 | World Senior Championship 50+ | A04 Reti Opening |
| 60. R Ovetchkin vs J A Lacasa Diaz |
| 1-0 | 48 | 2024 | World Senior Championship 50+ | A49 King's Indian, Fianchetto without c4 |
| 61. D Vergara Anton vs J A Lacasa Diaz |
| ½-½ | 36 | 2025 | Roquetas de Mar Open | D02 Queen's Pawn Game |
| 62. J A Lacasa Diaz vs M Xu |
| 0-1 | 65 | 2025 | Roquetas de Mar Open | A06 Reti Opening |
| 63. R Jimenez Fernandez vs J A Lacasa Diaz |
| ½-½ | 89 | 2025 | Roquetas de Mar Open | B76 Sicilian, Dragon, Yugoslav Attack |
| 64. J A Lacasa Diaz vs C Conon |
| 1-0 | 71 | 2025 | Roquetas de Mar Open | A06 Reti Opening |
| 65. D Kopylov vs J A Lacasa Diaz |
| 1-0 | 37 | 2025 | Roquetas de Mar Open | B76 Sicilian, Dragon, Yugoslav Attack |
| 66. J A Lacasa Diaz vs S Zhao |
| ½-½ | 32 | 2025 | Roquetas de Mar Open | A06 Reti Opening |
Kibitzing
