AMERSFOORT, Netherlands, July 17 (UPI) -- Juan Ignacio Chela, the third seed from Argentina, fell to unseeded Spaniard Ruben Ramirez Hidalgo Thursday at the Dutch Open.
Hidalgo pulled off a 6-1, 6-1 upset in a second-round match.
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Top-seeded Martin Verkerk, second seed Gaston Gaudio and fifth seed Fernando Vicente all were eliminated in the first round.
The highest seed remaining is No. 6 seed Raemon Sluiter of The Netherlands, who easily defeated Swiss qualifier Stanislas Wawrinka, 6-1, 6-4, to advance to meet Ramirez Hidalgo in the quarterfinals.
