decide in favor of
decide in favor of (someone or something)
To rule favorably for someone or something. My client will almost certainly go to jail if the judge doesn't decide in favor of him.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
decide in favor of someone or something
to determine that someone or something is the winner. The judge decided in favor of the defendant. I decided in favor of the red one.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.