| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Al Khelaifi vs N A De Castro |
| 1-0 | 22 | 2020 | FIDE Online Olympiad | C13 French |
| 27. N A De Castro vs Anna Ngarambe |
| 1-0 | 49 | 2020 | FIDE Online Olympiad | C50 Giuoco Piano |
| 28. Salma Almutawaa vs N A De Castro |
| 0-1 | 33 | 2020 | FIDE Online Olympiad | C02 French, Advance |
| 29. L Fuentes Inzunza vs N A De Castro |
| 1-0 | 35 | 2020 | FIDE Online Olympiad | D02 Queen's Pawn Game |
| 30. N A De Castro vs S Roepke |
| 0-1 | 44 | 2020 | FIDE Online Olympiad | C50 Giuoco Piano |
| 31. N Morales Santos vs N A De Castro |
| 1-0 | 37 | 2020 | FIDE Online Olympiad | D50 Queen's Gambit Declined |
| 32. N A De Castro vs Limam Khadijetou |
| 1-0 | 23 | 2020 | FIDE Online Olympiad | C50 Giuoco Piano |
| 33. N A De Castro vs G Hakimifard |
| 0-1 | 37 | 2022 | Chennai Olympiad (Women) | B40 Sicilian |
| 34. M Gamba vs N A De Castro |
| 0-1 | 40 | 2022 | Chennai Olympiad (Women) | C11 French |
| 35. N A De Castro vs G Vargas |
| 0-1 | 76 | 2022 | Chennai Olympiad (Women) | B01 Scandinavian |
| 36. L Ptacnikova vs N A De Castro |
| 1-0 | 40 | 2022 | Chennai Olympiad (Women) | A49 King's Indian, Fianchetto without c4 |
| 37. N A De Castro vs N Morales Santos |
| ½-½ | 70 | 2022 | Chennai Olympiad (Women) | C00 French Defense |
| 38. N A De Castro vs M Al Mansouri |
| 0-1 | 63 | 2022 | Chennai Olympiad (Women) | B50 Sicilian |
| 39. M L Moreno Mora vs N A De Castro |
| ½-½ | 51 | 2022 | Chennai Olympiad (Women) | A02 Bird's Opening |
| 40. Marie Yavo Tchetche vs N A De Castro |
| 0-1 | 60 | 2022 | Chennai Olympiad (Women) | A40 Queen's Pawn Game |
| 41. N A De Castro vs B Zairbek kyzy |
| 0-1 | 37 | 2022 | Chennai Olympiad (Women) | B10 Caro-Kann |
| 42. N A De Castro vs L Mwango |
| 0-1 | 39 | 2022 | Chennai Olympiad (Women) | B20 Sicilian |
| 43. Zara Abdoulaye Baba Hassane vs N A De Castro |
| 0-1 | 10 | 2024 | Budapest Olympiad (Women) | C00 French Defense |
| 44. I Helgadottir vs N A De Castro |
| ½-½ | 72 | 2024 | Budapest Olympiad (Women) | C02 French, Advance |
| 45. N A De Castro vs D Tolibova |
| ½-½ | 75 | 2024 | Budapest Olympiad (Women) | C50 Giuoco Piano |
| 46. N A De Castro vs Aamirah Beekhy |
| 1-0 | 79 | 2024 | Budapest Olympiad (Women) | B50 Sicilian |
| 47. N A De Castro vs A de la Riva Real |
| ½-½ | 42 | 2024 | Budapest Olympiad (Women) | B27 Sicilian |
| 48. Besrat Mesgena Yoseph vs N A De Castro |
| 1-0 | 31 | 2024 | Budapest Olympiad (Women) | C01 French, Exchange |
| 49. C D Angue Ndong vs N A De Castro |
| 0-1 | 45 | 2024 | Budapest Olympiad (Women) | A46 Queen's Pawn Game |
| 50. C D Clement vs N A De Castro |
| 0-1 | 59 | 2024 | Budapest Olympiad (Women) | C00 French Defense |
Kibitzing
