Yanguas/Stupaczuk come in as the more athletic, high-tempo pair with stronger transition speed and point-ending capacity, which typically plays well in Riyadh’s faster, drier conditions. Navarro/Guerrero rely more on construction, disguise and targeting patterns, but they’ll be under constant pressure on second volleys and lobs. Expect Yanguas/Stupa to control the net more often and be favored in a tight-but-clear win if they keep errors down.