What is the difference between tennis elbow and cubital tunnel syndrome?

Tendon vs. nerve: Tennis elbow is a tendon problem on the outside of the elbow. Cubital tunnel is inflammation, compression and/or injury to the ulnar nerve at/near the elbow in an area called the cubital tunnel. Tennis elbow causes pain on the outside of the elbow, esp. With gripping and grabbing. Cubital tunnel gives you pain, burning and numbness involving the medial elbow, down the to ring and pinkie fingers.