Originally written on Fox Sports  |  Last updated 4/5/13

ADELAIDE, AUSTRALIA - JANUARY 02: Novak Djokovic of Serbia serves to Jan Hajek of the Czech Republic during day three of the Next Generation Adelaide International 2007 at Memorial Drive on January 2, 2007 in Adelaide, Australia. (Photo by Mark Dadswell/Getty Images)
Jan Hajek and Lukas Rosol both won their opening singles matches Friday to give the defending champion Czech Republic a 2-0 lead over Kazakhstan in their Davis Cup quarterfinal. Hajek defeated Mikhail Kukushkin 6-3, 6-2, 6-4 before Rosol rallied to beat Andrey Golubev 4-6, 6-4, 6-2, 7-6 (6) in the second singles. It was the first loss at home for Kukushkin, who has a 12-6 record in the competition. The Czech Republic is without Tomas Berdych, who has a shoulder injury. Their No. 2 player Radek Stepanek, who had a neck operation in January, was rested for the opening singles. He's scheduled to play doubles on Saturday and may step in for a reverse singles match on Sunday. The Czech Republic beat Spain in the final last year for its first title as an independent nation. Kazakhstan is looking for its first semifinal appearance. The winner of the best-of-five series will face either Argentina or France in the semifinals in September.
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