Jensen and Castello bested the Atomic Twins on Thursday at the Universidad Católica, advancing to another quarter-final after their earlier appearance in Abu Dhabi.
Four-seed Patricia Llaguno and Victoria Iglesias needed all three sets in their match against Lorena Rufo and Marta Talavan in an all-Spanish match-up as they look to carry last week's momentum from La Rioja.
Watch all of the court 2 and 3 highlights in the video below!
Matches in chronological order:
Aranza Osoro (ARG)/Lucia Sainz (ESP) (5) vs Marina Guinart (ESP)/Nuria Rodriguez (ESP)
Mapi S. Alayeto (ESP)/Majo S. Alayeto (ESP) (7) vs Claudia Jensen (ARG)/Jessica Castello (ESP)
Patricia Llaguno (ESP)/Victoria Iglesias (ESP) (4) vs Marta Talavan (ESP)/Lorena Rufo (ESP)
Barbara Las Heras (ESP)/Veronica Virseda (ESP) (6) vs Claudia Fernandez (ESP)/Julieta Bidahorria (ARG)
Delfi Brea (ARG)/Sofia Araujo (POR) (8) vs Lara Arruabarrena (ESP)/Ana Fernandez (ESP)