Federico Delbonis reaches quarters
VINA DEL MAR, Chile -- Argentine qualifier Federico Delbonis reached his second career ATP quarterfinals when he upset third-seeded Thomaz Bellucci of Brazil 6-2, 7-5 in the VTR Open on Thursday.
Bellucci, the Vina del Mar champion two years ago, lost his serve four times to Delbonis.
Delbonis' opponent in the quarterfinal will be seventh-seeded Carlos Berlocq, who overwhelmed fellow Argentine Diego Junqueira 6-1, 6-0.
Second-seeded Juan Ignacio Chela of Argentina beat ...
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