Romania defeated Denmark in Cluj 5-0 and set up a second round tie with Netherlands in Europe/Africa Zone Group I on April 5-7, according to the official website of the competition.Saturday’s doubles rubber involved a three-time Wimbledon doubles finalist and the 2012 Wimbledon doubles champion, but it was the serial runner-up who came off best as Horia Tecau combined with Florin Mergea to defeat Frederik Nielsen and his partner Thomas Kromann 76(3) 62 64.Marius Copil set the hosts off and running on day one with a 63 76(7) 64 victory over Nielsen before Adrian Ungur fended off a fightback from Martin Pedersen to triumph 62 76(3) 46 46 62 before Tecau and Mergea secured Romania’s spot in the second round.In the last two games on Sunday Marius Copil defeated Christoffer Konigsfeldt 6-4 6-3 and Adrian Ungur defeated Thomas Kromann 6-3 6-4.Grega Zemlja and Blaz Kavcic stunned established pairing Mariusz Fyrstenberg and Marcin Matkowski to put Slovenia on the scoreboard against Poland with victory in Saturday’s doubles rubber.Kavcic and Zemlja had both lost their opening singles encounters in straight sets, Kavic falling 63 63 75 to Jerzy Janowicz before Zemlja lost 63 63 60 to Lukasz Kubot. But the pair proved a winning combination in the doubles, getting the better of the 2011 US Open finalists in a thrilling 4 hours and 7 minutes as they triumphed 63 26 62 46 13-11. It was the first time the pair had been defeated on Davis Cup duty on home soil. “Grega served very well today,” admitted Polish captain Radoslaw Szymanik. “His efficiency was high. From the very beginning the game was just not going our way. When we got in control of the match, they woke up and started to play even better. But it’s not over yet. We are ahead 2-1.”“It’s the biggest win in our doubles carrers,” Zemlja said. “I hope we will recover tomorrow.”Zemlja will try to stop Janowicz in the first reverse singles on Sunday, with the Pole knowing that a win would put the Poles through to a home tie with South Africa on April 5-7 and just one step away from the World Group Play-offs.