Juan del Potro cruises into quarters
OEIRAS, Portugal -- Former U.S. Open champion Juan Martin del Potro cruised into the quarterfinals of the Estoril Open with a 6-1, 6-0 win over Rui Machado of Portugal on Thursday.
The top-seeded Argentine, who won at Flushing Meadow in 2009, looked to be only troubled in the third game of the first set when he saved two break points.
Del Potro will meet 2009 and 2010 champion Albert Montanes of Spain, who rallied past Bobby Reynolds of the United States 4-6, 6-4, 6-3.
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