A comprehensive victory by Rafael Nadal was followed by a marathon five-set win by David Ferrer as Spain finished the first day of the Davis Cup final against Argentina with a 2-0 lead in Seville. Nadal maintained his 100% record in the competition on clay with a 6-1 6-1 6-2 victory over Juan Monaco in the opening rubber. World No5 Ferrer then came to the court where he faced Juan Martin del Potro and eventually triumphed 6-2 6-7 (2/7) 3-6 6-4 6-3 in almost five hours after the match appeared to be slipping away from him at one point. The Spain team were exhilarated following the match and captain Alberto Costa said: "He is David Ferrer and he fights all the time. At the end he played unbelievable tennis." Ferrer settled the earlier of the two and his aggressive approach saw him claim an early break in the fourth game to go 3-1 up before holding and breaking in the eighth game for 6-2. The first four games of the second set went with serve when the Argentinian gave his team hope with a break after Ferrer went long and an ace by Del Potro saw him go 4-2 up. However, after holding, Ferrer then broke back for 4-4. At 5-6, Del Potro played a fearless game to draw level and force a tie-break in which he took a 3-0 lead, eventually winning 7-2. However, Ferrer took the initiative in the first game of the third set, a forehand down the line leaving his opponent wrong-footed to break. The Spaniard, though, seemed to lose some spark and Del Potro broke to level before holding to go ahead 4-3. Del Potro was in inspired form, finding the corners and manoeuvring his opponent arou