| Donoso Aguirre, Maximiliano2050 | 1-0 | Etchevest, Marcelo1875 | 3rd BA Chess Masters 2025 | 2025 |
| Etchevest, Marcelo1875 | 1-0 | Rodriguez, Elian Francisco2013 | 3rd BA Chess Masters 2025 | 2025 |
| Brozzoni, Gustavo1639 | 0-1 | Etchevest, Marcelo1875 | 3rd BA Chess Masters 2025 | 2025 |
| Etchevest, Marcelo1875 | 0-1 | Tokman, A2271 | 3rd BA Chess Masters 2025 | 2025 |
| Vaccaro, Giuliano1907 | 1-0 | Etchevest, Marcelo1835 | Buenos Aires Masters 2024 | 2024 |
| Etchevest, Marcelo1835 | 1-0 | Salvatti, D1907 | Buenos Aires Masters 2024 | 2024 |
| Naboulet, Pablo Leon1936 | 1-0 | Etchevest, Marcelo1835 | Buenos Aires Masters 2024 | 2024 |
| Etchevest, Marcelo1835 | 1-0 | Lagares Rodriguez, Santiago Inak1869 | Buenos Aires Masters 2024 | 2024 |
| Kulik, Nicolas2000 | 1-0 | Etchevest, Marcelo1835 | Buenos Aires Masters 2024 | 2024 |
| Tristan, L2521 | 1-0 | Etchevest, Marcelo1854 | 53rd Mar Del Plata Open | 2024 |
| Etchevest, Marcelo1744 | ½-½ | Suasnabar, J1922 | Buenos Aires Masters 2023 | 2023 |
| Etchevest, Marcelo1744 | 0-1 | Cuellar, Jose1830 | Buenos Aires Masters 2023 | 2023 |
| Cumpe, Lucas2164 | 1-0 | Etchevest, Marcelo1744 | Buenos Aires Masters 2023 | 2023 |
| Etchevest, Marcelo1745 | 0-1 | Echeguren, Martin1999 | 98th ch-ARG Semi-Final | 2023 |
| Etchevest, Marcelo1745 | 0-1 | Carrizo, Luciano Ariel2048 | 98th ch-ARG Semi-Final | 2023 |