Kristyna Kolocova / Michala Kvapilova, Czech Republic (13) defeated Ekaterina Birlova / Nadezda Makroguzova, Russia (36) 2-1 (27-29, 27-25, 15-10).
It's the second win in FIVB World Tour competition for the Czech girls who also won last weekend at the Olsztyn Four Star event.
In Pool L, the Czech Republic is 1-0, while Russia is 0-1.
Up next for the Czechs is Varapatsorn Radarong / Tanarattha Udomchavee of Thailand, while Russia plays Austria's Katharina Schutzenhofer / Stefanie Schwaiger. Both matches are on Sunday, 30 July.