Real Madrid goalkeeper Thibaut Courtois will be sidelined for up to six weeks due to a muscle injury in the rectus femoris of his right quadriceps.

The club confirmed the diagnosis following medical tests conducted Thursday. He is set to miss crucial upcoming fixtures, including the Champions League quarter-final first leg against Bayern Munich.

The injury adds to Real Madrid's growing list of fitness concerns. Kylian Mbappe, Jude Bellingham, Rodrygo and Eder Militao are already out with various issues.

Ukraine international Andriy Lunin will take over in goal, starting with Sunday’s LaLiga derby against Atletico Madrid.