....Why do neither of these dudes list anything for their profiles?
https://vsbattles.fandom.com/wiki/User_blog:Therefir/Young_Saitama's_Durability 850,349.30 Joules (Wall level)
https://vsbattles.fandom.com/wiki/User_blog:RadicalMrR/Satan's_Durability 12,736.08 Joules or
9-B (NOTE: I don't actually know if that was accepted, looking at the comments, so using this as a basis for a vote may be invalid. As said, it's not on his profile.)
Has anyone calculated Mister Satan breaking stone tiles? Anyway....
Mister Satan is pretty much his normal self, being that weapons are illegal in the World Martial Arts Tournament, if my memory serves. He probably also won't use his jetpack.
Killing isn't a win condition here, but knock out is....
Glass cannons are something our wiki considers uncommon, AFAIK, so I'd bet neither Young Saitama nor Mr. Satan have AP higher than their Durability; Please correct me if I'm wrong.
As you can see above, Young Saitama's durability is around 66.7 times more durable than Mr. Satan is. Even if Satan was punching at 50 times his durability, he'd still only be around 75% of Saitama's durability.
However, Saitama might hold back, especially in a public, no killing tournament. But Mr. Satan might showboat.
So what's in Mr. Satan's favor?
1. Stamina
This is Young Saitama/In-Training. He gets his rating for being slammed into a wall. What happened to him afterwards? Was he knocked out? Injured? Did he take time getting up?
Unlike Saitama's bald, present day form, AFAIK, In-Training Saitama may have an easier to pin down Stamina rating, which likely could fall below Mr. Satan's "Very High". (Although,
"(Was able to stand after being heavily damaged)" seems like a justification that could be improved, IMHO.
2. Skill, intelligence, & experience
Both Saitama & Mr. Satan can be a bit silly or buffoonish (Although I'm not sure how true that is for Young Saitama.), but Mr. Satan actually has some smarts & skills. He's cowardly, but can be brave, especially for his fans like he would be at a tourney.
Even if he won't use weapons, Satan can probably outsmart Saitama (Taunting him into attacking recklessly, pretending to beg for mercy, etc.) and has much better martial arts skills.
Mr. Satan probably also has better combat experience also.
3. Lifting Strength
Victory by ring-out, you say?
Saitama, as a 9-B is:
Unknow, likely
SuperHuman (Should be superior to Tiger level monsters)
Mr. Satan is
Class 5: 1000 to 5000 kg (Capable of lifting small trucks, etc.)
(Sadly, though, he has no calculation or justification to say just how far in he is, & Superhuman is anywhere from
"454 kg to any higher amount because Unknown with a minimum".)
But I'd bet that Young Saitama is closer to a regular human, & can't lift as much; If one of them tried to throw the other, unless one was caught off-guard, Mr. Satan could probably overpower Saitama & throw him out.
Unfortunately, though, Mr. Satan is prone to showboating, & might not try that early enough.
That's what in his favor. So what's our conclusion?
....Uhhh....
Unfortunately, I don't know how much below -or above- their Durability either combatant's ratings are at all. This Saitama IS roughly 66.7 times more Durable, but that doesn't mean he hits that hard, AFAIK.
Mr. Satan is more likely able to ring out Saitama with a throw, but his boisterous nature means he might not do so in time.
And I'm not sure Saitama wouldn't hold back too much, or if he'd take things seriously enough.
As is, I don't have a conclusion. Sorry.
