Fognini reaches quarterfinals in Buenos Aires
Fognini also defeated Mayer on Sunday in the Royal Guard Open final in Vina del Mar, Chile.
Almagro has won 12 ATP titles -- all on clay -- and six have come on the annual Latin American swing.
Top-seeded David Ferrer plays his second-round match on Thursday.
Copyright 2014 by The Associated Press
This story is from ESPN.com's automated news wire. Wire index
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