"We will see tomorrow what the medical exams say but (Alaba and Camavinga) both suffered leg muscle injuries and it looks very unlikely for them to make it to Saturday's final," Ancelotti revealed in a post-match press conference.
Arda Guler struck the only goal as Real Madrid won 1-0 at Getafe on Wednesday to claw back to within four points of LaLiga leaders Barcelona.
Barcelona inched closer to the LaLiga title with a 1-0 win over Mallorca on Tuesday which took them seven points clear of Real Madrid.
Real Madrid coach Carlo Ancelotti said striker Kylian Mbappe is poised to return from injury to face rivals Barcelona in the Copa del Rey final on Saturday.
Mbappe missed Madrid's win over Athletic Bilbao on Sunday in La Liga and will not be available for the visit to face Getafe on Wednesday.
Barcelona and Atletico Madrid were also among a slew of top-flight clubs joining La Liga in expressing their condolences for Francis.
Real Madrid coach Carlo Ancelotti praised his team's character after their hard-fought 1-0 win over Athletic Bilbao on Sunday, keeping their LaLiga title hopes alive while responding in the best possible way to their Champions League exit.
Fede Valverde's superb 93rd minute strike kept Real Madrid on Barcelona's tail in the Spanish title race, earning the champions a 1-0 win over Athletic Bilbao on Sunday.
Barcelona will be aiming to open up a seven-point lead at the top of LaLiga table when they welcome Europe-chasing Celta Vigo on Saturday.
The defender has long been linked with a move to the Bernabeu on a free transfer and talks between the 26-year-old and the Spanish giants are understood to be making progress.
With 31 goals across all competitions this season, Mbappe has now surpassed Brazilian icon Ronaldo’s tally from his debut campaign in 2002-03.
Following Real's 2-1 comeback win at Villarreal, thanks to Kylian Mbappe's brace, the coach was concerned about his side's physical condition following Wednesday's shootout win over Atletico Madrid in the Champions League.
Real Madrid defender Raul Asencio has earned his first call-up from Spain manager Luis de la Fuente on Friday for their two-leg Nations League quarterfinal against the Netherlands.
Captain Kylian Mbappe returned to the France squad named Thursday for this month's UEFA Nations League quarter-final against Croatia, as Paris Saint-Germain teenager Desire Doue earned a first call-up.
Ahead of the second leg of their Champions League last-16 tie at rivals Atletico Madrid on Wednesday, following a 2-1 win in the first, Ancelotti said that he was hopeful his goalkeeper Thibaut Courtois and defender Antonio Ruediger should be OK after missing Sunday's match with minor issues.
Kylian Mbappe and Vinicius Junior were both on target for Real Madrid as they beat Rayo Vallecano 2-1 on Sunday to pull level with La Liga leaders Barcelona.
Getafe's Mauro Arambarri scored a last-gasp quickfire double to upset 10-man Atletico Madrid 2-1 on Sunday as Diego Simeone's side missed a golden opportunity to move top of LaLiga.
A couple of moments of magic from Rodrygo and Brahim Diaz helped Real Madrid edge city rivals Atletico Madrid 2-1 in the first leg of the last 16 Champions League encounter between the sides at the Santiago Bernabeu on Wednesday.
"This is a heavy blow, we have to bounce back. Losing at this point in the season is tough because everyone is on form and we didn't do well in this game," the Italian told reporters.