Tatsuki's energy poured forth as he lost himself. Fuming with anger, he charged at Star Spangled and pinned him to the ground. Tatsuki then unleashed a punch that landed squarely on Star Spangled's face. And he didn't hit him once, he hit him a couple more times before he activated one of his plundered fire superpowers, shooting off an ember of flame point-blank at Star Spangled's face.
A moment ago, it was Star Spangled who had been underestimating Tatsuki and his weak usage and implementation of his superpower but now he's got his rear side handed to him on a silver platter as Tatsuki beat him on a one-sided fight. There was no contest whatsoever, and Tatsuki showed no mercy.
All beat up and coughing blood from his broken lips and mouth, Star Spangled raised his hand in surrender. "I... I give up." He muttered.