Daniel Noboa stunned voters when, with only a brief stint as a lawmaker and no established political machinery, he outperformed several presidential candidates in a snap election and advanced to a runoff against the protegee of Ecuador’s most influential president this century.

Ecuador’s center-right President Daniel Noboa fell short of securing an outright majority in the country’s general election, according to results available on Monday, setting the stage for a run-off vote against his nearest leftist rival.