This is a blessed loss. Mate can be forced, but a draw can be achieved under the fifty-move rule.
To probe all KNNPPvKN positions, these tables and their transitive dependencies are also required:
KQNNPvKN · KRNNPvKN · KBNNPvKN · KNNNPvKN · KNPPvKN · KNNPPvK · KNNPvKN