Kacper Kujawiak / Mariusz Prudel, Poland (27) defeated Luis Garcia / Andy Leonardo, Guatemala (46) 2-0 (21-12, 21-17).
It was the first FIVB World Tour meeting between the two teams.
In Pool C, Poland is 1-0 and Guatemala is 0-1.
Up next for Poland is Ryan Doherty / John Hyden of the United States while Guatemala will take on the other American duo in the pool, Phil Dalhausser / Nick Lucena.