Following weekend wins by Andy Murray and Tyson Fury, shortlist extended to 12.
Murray was forced to play some of his best tennis against an opponent who refused to buckle.
Murray's win gave Great Britain an unassailable 3-1 lead over Belgium.
Edmund will hope to bounce back from his thrilling five-set defeat to David Goffin on day one.
The tie's two highest-ranked players do battle in a pivotal singles rubber at Flanders Expo.
Murray brothers beat David Goffin and Steve Darcis in four sets to take a crucial 2-1 lead in the final.
The Murray brothers will hope to hand Great Britain a vital 2-1 lead at Flanders Expo in Ghent.
Tie finely poised at 1-1 heading into Saturday's doubles rubber in Ghent following 6-3, 6-2, 7-5 win.
Edmund took a two-set lead before Goffin's fightback.
Murray is likely to feature in doubles action on Saturday.
Edmund, 20, begins Great Britain's Davis Cup final campaign on 27 November.
Great Britain are aiming to win their first Davis Cup in 79 years.
The world number-one should be mentioned among the sport's greatest players.
Former UK number one Tim Henman cancels trip to attend finals with family.
Djokovic eased to a straight sets victory with a fine showing to beat Federer.
Federer and Djokovic meet in the final match of the ATP season in London.
Federer reaches 10th final at season-ending tour finals with 7-5 6-3 victory.
Swiss foes Federer and Wawrinka meet in an eagerly-anticipated rematch from last year's semi-final.
Nadal and Djokovic meet for a 46th time for a place in Sunday's final at the ATP World Tour Finals.
Murray completes preparations for Davis Cup final with second straight round robin loss.
Murray and Wawrinka face a winner-takes-all clash to fill the final semi-final berth in London.
Nadal and Ferrer play for local pride in the penultimate round robin match in London.
Djokovic will face Nadal for a 46th time after a two-set win over a helpless Berdych.
The legendary American pair reach the semi-final after 6-7 7-6 16-14.
Federer claims third straight round robin win to qualify top of Stan Smith group.
Djokovic and Berdych face a potential straight shoot-out for a semi-final place.
Nishikori must beat Federer and hope other results go his way to reach the semi-final.
Wawrinka wins 7-5 6-2 as Rafael Nadal becomes second player to qualify for semi-final.
Nadal comes through 6-4 6-1 to move to brink of semi-finals.
Round one losers Wawrinka and Ferrer fight for their lives in the second match on day four in London.