Great Britain has reached its first Davis Cup final since 1978 after Andy Murray recorded his 25th singles rubber victory for the nine-time champion.

World No. 3 Murray defeated Bernard Tomic 7-5, 6-3, 6-2 in one hour and 46 minutes to give Great Britain an unassailable 3-1 lead in Glasgow.

Great Britain will travel to Belgium for the final, which will be held from 27-29 November.