Leganes beat Real Madrid 1-0 on Wednesday but Santiago Solari's side progressed to the Copa del Rey last eight courtesy of a 3-1 aggregate win.
Cuéllar, Juanfran, Bustinza (En Nesyri, 69'), Oneruo, Siovas, Kravets (Jonathan Silva, 74'), Eraso Gumbau (Arnáiz, 63'), Recio, Sabin Merino y Braithewaite.
Keylor Navas, Odriozola, Varane, Nacho, Reguilón (Dani Ceballos, 46'), Isco (Cristo, 72'), Casemiro, Fede Valverde, Lucas Vázquez (Brahim Díaz, 85'), Vinicius y Marcelo.
1-0 M. 30 Braithwaite
Martínez Munuera (valenciano). TR: Mauricio Pellegrino (entrenador Leganés) (86'). TA: Recio (73'), Vinicius (82').
Partido correspondiente a la vuelta de los octavos de final de la Copa del Rey disputado en Butarque, ante 11.000 espectadores.
Madrid's 3-0 win at the Santiago Bernabeu proved enough as they held a lively Leganes at bay at Butarque.
Martin Braithwaite gave the home side a deserved lead in the first half in a game which saw Isco handed a rare start as Solari made changes.
However, Leganes would be made to regret their poor finishing in the first half as they never really found top gear in the second period.
Keylor Navas made a couple of smart saves late on but the moments of danger came too late in the game for Leganes to really believe the comeback was on.
Madrid, who were far from their best, almost scored the goal which would have ended the tie when Vinicius Jr's pace set up their best chance of the night. Substitute Brahim Diaz could only hit the post, though.