Mongul (Pre-Crisis) vs. Cyborg Superman

Fight until death or incapacitation on a barren, indestructible Moon.

Round 1: Hank Henshaw doesn't have his Yellow Lantern Rings.
Round 2: Henshaw has his Yellow Lantern Rings.

Feats for Pre Crisis Mongul - because Cyborg Superman was making Mongul look like a chump every time they appeared together.

Hank destroys!

I'm going with Pre-Crisis Mongul here.

I am not sure but for now I am going with pre crisis Mongul in a very close fight

Mongul Sr. beats him down.

http://www.comicvine.com/mongul-the-elder/4005-90132/forums/pre-crisis-mongul-respect-thread-1598457/

Mongul both rounds.

Mongul Sr. stomps round 1. Round 2 could go either way.