The Justice Department declined Tuesday to comment on potential civil action against Armstrong, saying the whistle-blower suit is under court seal.

CNN: Livestrong tells Armstrong: Be truthful about doping

And the next action saw Bolatti, introduced in the 80th minute for Gonzalo Higuain, finish smartly to seal the win.

BBC: Win seals Argentina qualification

In other tennis action Sunday, Fed Cup holders the Czech Republic beat Italy 4-1 in Ostrava to seal their place in the final.

CNN: STORY HIGHLIGHTS

The Justice Department declined any comment Wednesday on potential civil action against Armstrong, saying the whistleblower suit involving claims the cycling team defrauded the government is under court seal.

CNN: January 15, 2013 -- Updated 2128 GMT (0528 HKT)