Rafael Nadal took his remarkable record to 100 wins in his last 101 matches on clay by beating fellow Spaniard Feliciano Lopez 6-4, 6-3 on Thursday to reach the Barcelona Open quarterfinals. After missing three break-point chances at 1-1, Nadal broke serve in the fifth game. The world number two then broke twice more in the second set to line up a meeting with Argentine Juan Ignacio Chela, who beat Latvian Ernests Gulbis 2-6, 6-4, 6-3. Second seed David Ferrer of Spain came through a grueling 4-6, 6-4, 6-3 struggle with Nicolas Lapentti while Argentine third seed David Nalbandian was destroyed 6-3, 6-1 by Swiss Stanislas Wawrinka. Ferrer now meets Spanish sixth seed Tommy Robredo, who defied a second-set fight-back by last year's runner-up Guillermo Canas of Argentina to win 6-1, 7-5. German Denis Gremelmayr came from 3-0 down to oust Russian Dmitry Tursunov 6-4, 6-0, setting up a match with Spaniard Nicolas Almagro, who wore down Croatian Mario Ancic 7-6, 6-2. Safin to meet Gonzalez In Munich, former world number one Marat Safin will face second seed Fernando Gonzalez in Friday's quarterfinals of the ATP tournament. Gonzalez beat Belgium's Kristof Vliegen 6-1, 7-5, 6-3 in the second round tie. Safin beat Germany's Michael Berrer 7-6 (7-4), 6-7 (5-7), 6-3. Qualifier Younes El Aynaoui from Morocco upset seventh seed Steve Darcis from Belgium 6-4, 3-6, 6-3 to reach the quarterfinals. He will face Juan Martin Del Potro for a place in the semifinal after the Argentinian knocked out fourth-seed Russian Igor Andreev 1-6, 6-0, 6-4. In Friday's other quarterfinals, top seed Paul-Henri Mathieu will play Croatia's Marin Cilic while South Korea's Hyung-Taik Lee will play Italian Simone Bolelli. Zvonareva, Peer advance In the Czech Republic, top-seeded Vera Zvonareva advanced to the quarterfinals of the Prague Open after getting a walkover by Slovakian wild card Magdalena Rybarikova on Thursday. The 13th-ranked Russian will next play Roberta Vinci of Italy. Second-seeded Shahar Peer of Israel defeated Tsvetana Pironkova of Bulgaria 7-5, 6-2 and will next play No. 7 Klara Zakopalova of the Czech Republic, who beat Vera Dushevina of Russia 6-4, 1-6, 6-3. Also in the second round, third-seeded Victoria Azarenka knocked out Tatiana Poutchek 6-2, 6-2 in an all-Belarusian clash and will next play Czech wild card Karolina Pliskova. Fourth-seeded Katarina Srebotnik of Slovenia beat Melinda Czink of Hungary 6-0, 6-2 and will meet Iveta Benesova of the Czech Republic, who defeated Akgul Amanmuradova of Uzbekistan 6-2, 4-6, 6
