Andy Murray took Great Britain through to a first Davis Cup final since 1978 with victory over Australia's Bernard Tomic in Glasgow.
The British number one secured the decisive third point with a comprehensive 7-5 6-3 6-2 win.
It gave Britain an unassailable 3-1 lead in the best-of-five tie, setting up a final against Argentina or Belgium.
Britain last won the Davis Cup in 1936, with a team led by Fred Perry.
The final will be played from 27-29 November, and will be a home tie against Argentina or an away against Belgium, with the venue to be decided.