Wales' Bale missed the weekend win over Rayo Vallecano with an ankle injury, while France striker Benzema limped off with a leg problem.

Real are chasing a third straight title having beaten the Antlers in the 2016 final and Brazil's Gremio last year.

Wednesday's kick-off is at 16:30 GMT.

Real Madrid, who won Europe's Champions League, have been given a bye straight to the last four of the Club World Cup.

The Antlers, the Asian Champions League winners, progressed after beating Concacaf Champions League winners Guadalajara in the previous round.

Copa Libertadores champions River Plate face hosts Al Ain in the other semi-final on Tuesday (kick-off 16:30 GMT).

The final will be played at the Zayed Sports City Stadium in Abu Dhabi on Saturday.