The Finnish duo beat the Puerto Rican couple overwhelmingly in the final match of the group stage.
Niina Ahtiainen and Taru Lahti-Liukkonen advanced to the Elite16 tournament of the beach volleyball world tour in Hamburg.
In the final match of the group stage, the Finns beat the Puerto Rican duo Maria Gonzalez / Allanis Navas with a score of 21–5, 21–17.
Ahtiainen and Lahti-Liukkonen, who won two matches out of three in the group stage, will face the Italian pair in the quarterfinals on Saturday Valentina Gottardi / Marta Menegatti. The Italians beat the Finns twice in the recently played European Championships.