Lidiannis Echeverria/Leila Martinez, Cuba (26) defeated Ekaterina Birlova/Nadezda Makroguzova, Russia (36) 2-0 (21-14, 21-19).
It was the first FIVB World Tour meeting between the two teams.
Cuba has advanced to the knockout phase and will play Wednesday, 2 August. Russia has been eliminated and finished 33rd.