QUITO, Ecuador (AP) - Fourth-seeded Thomaz Bellucci of Brazil reached the quarterfinals of the Ecuador Open on Wednesday, defeating Janko Tipsarevic of Serbia 7-6 (8), 7-6 (2).
In another second-round match in the clay-court tournament, No. 8 Renzo Olivo of Argentina had a 7-6 (3), 2-6, 6-3 win over Santiago Giraldo of Colombia.
In the first round, Victor Estrella Burgos of the Dominican Republic beat Andrej Martin of Slovakia 3-6, 6-2, 6-4 and will next play No. 1-seeded Ivo Karlovic of Croatia.
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