Unheralded British youngster Kyle Edmund faces a Davis Cup baptism of fire when he makes his debut in the final on Friday against Belgium's David Goffin in the opening rubber.
Andy Murray beat Belgium's David Goffin 6-3, 7-5, 6-3 to seal Britain's first Davis Cup triumph for 79 years on Sunday in the Flanders Expo in Ghent.
The Davis Cup final between Belgium and Britain will go ahead despite Brussels being placed on maximum alert over the threat of an imminent attack, local organisers and the International Tennis Federation said on Monday.
Britain reached the Davis Cup quarter-finals in bizarre circumstances on Sunday when Canadian Denis Shapovalov defaulted for inadvertently blasting a ball into the umpire's face.
Britain's rise from embarrassing Davis Cup lightweights to title contenders has been nothing short of spectacular and they will begin slight favourites to reach a first final in 37 years against Australia on Friday.
Britain will attempt to win the Davis Cup for the first time in 79 years this weekend when they take on Belgium in Ghent, although if they do succeed the Scottish town of Dunblane could argue its name should be enscribed on the trophy.
Davis Cup champions Britain were locked at 1-1 with Japan after the opening two singles of their World Group, first-round tie on Friday after Andy Murray gave the hosts the lead.
Images from the Olympics swimming action at the La Defense Arena, Paris, on Friday.
Andy Murray has pledged 50 pounds ($77.59) to children's charity UNICEF for every ace he hits for the rest of the year after being moved by television images of refugees fleeing to Europe.
Images from the Olympics swimming action at the La Defense Arena, Paris, on Saturday.
Andy Murray's dedication to the Davis Cup has proved invaluable to the British team, but it may also rob the ATP Tour Finals of one of it's biggest draws this year.
A round-up of results from Davis Cup matches played on and Sunday
Canada's Denis Shapovalov was left mortified after joining tennis's hall of infamy on Sunday, offering an apology and promising that he would learn from his momentary explosion of temper that left a Davis Cup umpire needing a visit to hospital.
Images from the World Athletics Championships in Eugene, Oregon, on Friday, Day 8.
Rafael Nadal put in some late-night overtime to drag hosts Spain into the Davis Cup semi-finals but Novak Djokovic's hopes were dashed in excruciating fashion as Serbia bowed out on Friday.
Roger Federer guided Switzerland to victory in their Davis Cup World Group playoff tie against the Netherlands with an easy 6-3, 6-2, 6-4 victory over Thiemo de Bakker on Sunday.