Remove pis/cis, Yujiro should break him. Yujiro was able to kill an elephant, if left alone would have eaten all of Africa in a month or so. That feat is still nothing to him showing off by stopping an earthquake by punching the ground.
Mind you, these were all casually done.
So far, the only man in the series that Yujiro might legitimately be scared off, is his dad. That is the only man Yujiro never intimated or outright believed he could beat. That doesn’t mean Yujiro can’t win, but he was sure as hell pissed off when his dad cheered on Baki when they dukes it out in the open.
The elephant is valid. And it isn't even a normal elephant, but some sort of prehistoric super elephant that an entire army couldn't stop with missiles and tanks.
The Earthquake one is generally considered an outlier, even for Yujiro, because he's never done anything close to it since.
Either way he's king of the Baki-verse. The entire combined militaries of major nations such as America bend the knee, because they can't beat him in open warfare.
He's powerful enough where you can't say for certain overpowered characters like Vash the Stampede, Master Roshie, or Might Guy would win for sure.
Kenshiro would own him though. 👆