Argentina has given itself a real chance in Sweden after Leonardo Mayer knocked off Swede Joachim Johansson 5-7, 6-3, 7-5, 6-4.
In the first match, Robin Soderling gave Thomas Enqvist his first victory as Davis Cup captain by taking out Eduardo Schwank 6-1, 7-6(0), 7-5.
Argentine Davis Cup standout David Nalbandian is set to go in Saturday’s doubles against Soderling/ Robert Lindstedt and could also play the reverse singles on Sunday.