Brussels: World number 15 David Goffin will lead Belgium in the opening singles Davis Cup semi-final game against Argentina`s Federic Delbonis, Thursday`s draw revealed.
The tie begins at 12h00GMT Friday and takes place in Brussels where Steve Darcis will be second on court for the hosts against Leonardo Mayer for the South Americans.
Neither country have ever won the Davis Cup although Argentina have lost 3 finals and appeared in 10 of the past 14 Davis Cup semi-finals.
Belgium are playing in the last four for the first time since 1999 and will host the final in November should they progress.
Saturday`s pivotal doubles` rubber will feature Belgium`s Ruben Bemelmans and Kimmer Coppejans against Carlos Berlocq and Diego Schwartzman of Argentina although the two captains can change their line-ups up to one hour before the match.
Sunday will feature the reverse singles with three points needed for victory.
Great Britain will take on Australia in the second semi-final taking place in Glasgow.
David Goffin (BEL) v Federic Delbonis (ARG)
Steve Darcis (BEL) v Leonardo Mayer (ARG)
Saturday doubles (provisional):
Ruben Bemelmans/Kimmer Coppejans (BEL) v Carlos Berlocq/Diego Schwartzman (ARG)
Sunday singles (provisional):
David Goffin (BEL) v Leonardo Mayer (ARG)
Steve Darcis (BEL) v Federic Delbonis (ARG)