Bellucci through to Ecuador quarterfinals

Brazilian No.4 seed Thomaz Belucci needed two tiebreakers before defeating Janko Tipsarevic on his way to the quarterfinals of the Ecuador Open.

Fourth-seeded Thomaz Bellucci of Brazil reached the quarterfinals of the Ecuador Open on Wednesday, defeating Janko Tipsarevic of Serbia 7-6 (10-8) 7-6 (7-2).

In another second-round match in the clay-court tournament, No. 8 Renzo Olivo of Argentina had a 7-6 (7-3) 2-6 6-3 win over Colombia's Santiago Giraldo.

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.