Twice Davis Cup champion Tomas Berdych is taking over as the captain of the Czech team. The 38-year-old succeeds Jaroslav Navratil, who has led the Davis Cup team for almost 20 years. Berdych, the 2010 Wimbledon runner-up, said in a statement on Sunday: “I experienced unforgettable moments of my tennis career with the Davis Cup, so I did not hesitate for a moment to accept the offer.” During a 13-year Davis Cup career, Berdych help the Czechs to glory in 2012 and 2013. He will take over for next year’s qualifiers after the Czechs finished bottom of Group B this weekend and failed to reach Nove…