moya clinches cup for spain spain won the davis cup for the second time in their history when carlos moya beat the usa s andy roddick in the fourth rubber in seville.  moya won 6-2 7-6 (7-1) 7-6 (7-5) to give the hosts an unassailable 3-1 lead with only one singles rubber remaining. roddick battled hard and had chances in the second set  but moya s clay-court expertise proved the difference. mardy fish beat tommy robredo 7-6 (8-6) 6-2 in the final dead rubber to cut spain s winning margin to 3-2. spain s only other davis cup title came in 2000  when they beat australia in barcelona. this time they chose to play the final in seville and the city s olympic stadium was revamped to allow for a record crowd for a competitve tennis event of 27 000 spectators. and the home fans gave vociferous support to their players  with 18-year-old nadal and moya winning both friday s singles rubbers. american twins mike and bob bryan gave the visitors hope with victory over juan carlos ferrero and tommy robredo in saturday s doubles. but it remained an uphill task for a us team far happier on hard courts than clay  and 1998 french open champion moya had too much for world number two roddick.  this has been incredible - the moment i ve been waiting for for years   said moya  who missed out in 2000 through injury.  i ve prepared myself for this day. i knew that playing on clay i would have my chances to win.   the davis cup is my dream. i can t ask for more. there is nothing bigger than what i ve lived today.  moya stormed into a 4-0 lead on his way to taking the first set against roddick and recovered immediately from dropping serve in the second. the match came down to two tie-breaks and moya dominated both  clinching victory on his third match point. wild celebrations followed  with an emotional moya congratulated by his team-mates  including nadal  who at 18 years and 187 days becomes the youngest ever victor in davis cup history.  i think we put up a better fight here than in paris two years ago   said roddick  who was on the us team which lost to france in the 2002 semi-finals at roland garros.  they were just better than us this weekend. i have nothing to be ashamed of  i gave it my all.  i am not going to walk out of here with my head down  that s for sure.  there s no miracle answer. we have to improve.