The Spanish center back said La Liga's crown is "practically lost now" but pledged to continue competing for it.
Sergio Ramos says Real Madrid will fight for the La Liga crown despite claiming the club has "practically" dropped out of the title race.
Real had the chance to close within two points of league leader and city rival Atletico Madrid but could only draw 1-1 at third-bottom Real Valladolid on Wednesday, its second consecutive stalemate that was compounded by injuries to Cristiano Ronaldo and Angel di Maria.
The result left Carlo Ancelotti's men in third, four points from the summit with two games remaining against Celta Vigo and Espanyol.
While Real's destiny is out of its hands, the club will continue to fight as long as a mathematical chance of success remains, according to Ramos.
"It's practically lost now, but whilst there's still a mathematical chance," said Ramos, who opened the scoring at the Estadio Municipal Jose Zorrilla. "Real Madrid are obliged to keep fighting."
Real was on track to secure maximum points until Valladolid substitute Humberto Osorio struck five minutes from time. The Colombian striker had only been on the field for 12 minutes when he leveled proceedings.
Ramos says his teammates were punished for their lack of concentration during the closing stages.
"With 10 minutes to go, we've committed the sin of relaxing and against a side who are fighting for survival, who always make things difficult," the 28-year-old said. "We were neglectful and they caught us out."
Meanwhile, veteran Real midfielder Xabi Alonso says he is "annoyed" with the team following Wednesday's result that all but ended its title aspirations.
"It would take a few improbable results (to get us back in the title race) but let's wait and see," he said. "The game was not in control, it was difficult, but I'm annoyed by everything, with the team and with ourselves because we failed to give importance to the final 45 minutes of the match."