Real Valladolid and Las Palmas drew 1-1 at Jose Zorilla in the first leg of their Segunda promotion play-off.
Sergio Araujo put the visitors in front after eight minutes while Hernan Perez equalised for the hosts after 23, the game staying level thereafter.
Valladolid had two players sent off - Javi Chica and David Timor, both for second bookable offences - but Los Amarillos couldn’t take advantage.
Roque Mesa had chances to double Las Palmas’ lead before Perez found the net but was unable to get past Javi Varas, and so the tie will be settled at the Estadio Gran Canaria on Saturday.
Real Zaragoza and Girona meet on Thursday evening in the second semi-final.
Picture courtesy @UDLP_oficial