Great Britain are through to the Davis Cup quarter-finals after Joe Salisbury and Neal Skupski showed their quality to win a decisive doubles rubber against the Czech Republic.
Knowing Britain would be out if they lost, Salisbury and Skupski won 6-4 6-2 against Czech pair Jiri Vesely and Tomas Machac in Innsbruck, Austria.
It completed the fightback with Cameron Norrie winning after Dan Evans lost.
Leon Smith's team will play Germany or Serbia in the last eight on Tuesday.
Norrie levels after Evans' defeat gives Britain work to do
Britain's campaign at the Davis Cup Finals - which sees group ties held in Innsbruck, Turin and Madrid before the semi-finals and final take place in the Spanish capital - was given the perfect platform by a victory for Evans in Saturday's opening group tie against France.