This FIP Silver matchup likely hinges on who controls the net first: Marques Berdonce/Luna Peinado look like the steadier, build-the-point pair, while Fernandez/Perino project as the more volatile, pace-driven team that can spike runs with aggressive finishing. In Silver conditions, the duo that wins the serve+first-volley exchanges and protects the backhand side under pressure usually prevails. Slight edge to Marques Berdonce/Luna Peinado if they keep errors low and target transition lanes.