He just matches whatever he's facing. Usually he has the decency to say he's gonna finish them off with Consecutive Normal Punches, or pretend like he's also going for a finishing move like Serious Series: Serious Punch.
Many times he doesn't even try and end a challenge with a punch, it's more of a "move out of my way" smack because his mind is elsewhere.
It's not even that is it? He's constantly pulling punches because he doesn't want to destroy everything in a general direction, something that even Tatsumaki didn't think about.
Nah, even japanese are tired of gloating villains now. And it's kinda funny to just cut them off.
