| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. C H Umetsubo vs E da Costa Marra |
| ½-½ | 50 | 2021 | Brazilian Championship | E32 Nimzo-Indian, Classical |
| 52. E da Costa Marra vs E Rodrigues |
| 0-1 | 51 | 2021 | Brazilian Championship | B05 Alekhine's Defense, Modern |
| 53. R Trevisan vs E da Costa Marra |
| 0-1 | 44 | 2021 | Brazilian Championship | A30 English, Symmetrical |
| 54. E da Costa Marra vs Y Santiago |
| 0-1 | 48 | 2021 | Brazilian Championship | B12 Caro-Kann Defense |
| 55. E Federzoni vs E da Costa Marra |
| 1-0 | 31 | 2023 | Floripa Open | B45 Sicilian, Taimanov |
| 56. E da Costa Marra vs A Guerrero |
| 1-0 | 34 | 2023 | Floripa Open | B06 Robatsch |
| 57. E da Costa Marra vs I Dubrovich |
| 1-0 | 51 | 2023 | Floripa Open | B90 Sicilian, Najdorf |
| 58. D Brandao Mariani vs E da Costa Marra |
| ½-½ | 44 | 2023 | Floripa Open | E81 King's Indian, Samisch |
| 59. E da Costa Marra vs Leandro Cardoso |
| ½-½ | 23 | 2023 | Floripa Open | C02 French, Advance |
| 60. Diego Moritz vs E da Costa Marra |
| 0-1 | 18 | 2023 | Floripa Open | B45 Sicilian, Taimanov |
| 61. E da Costa Marra vs E Bitencourt |
| ½-½ | 26 | 2023 | Floripa Open | B90 Sicilian, Najdorf |
| 62. Nicolas Gabriel Souza vs E da Costa Marra |
| 0-1 | 34 | 2023 | Floripa Open | B45 Sicilian, Taimanov |
| 63. R Moreira Passos vs E da Costa Marra |
| 1-0 | 72 | 2023 | Floripa Open | A07 King's Indian Attack |
| 64. E da Costa Marra vs L Z Jiang |
| 1-0 | 26 | 2023 | Floripa Open | B12 Caro-Kann Defense |
| 65. E da Costa Marra vs K Mekhitarian |
| ½-½ | 37 | 2023 | Brazilian Championship | B90 Sicilian, Najdorf |
| 66. E da Costa Marra vs E Matsuura |
| 0-1 | 84 | 2023 | Brazilian Championship | C79 Ruy Lopez, Steinitz Defense Deferred |
Kibitzing
