Most instances of lateral epicondylitis are self-limiting and may improve by themselves within 6 months to two a long time, but with the proper treatments, you could decrease the symptoms and hasten the recovery time. But, Sure, it does sense good. See Really a Extend: Stretching science has revealed this https://www.theorthopaedicandpainpractice.com/how-to-alleviate-tennis-elbow-pain-tips-from-a-medical-expert/