It's strange, but... That description sounds suspiciously familiar. Not that there's only one child who might profess to being stronger than Inigo (apparently multiple children could get away with saying that, true or not), but there is one that said almost the exact same thing to Fang Duobing himself.

"Hmm. Well..." He looks thoughtful, scrunching his mouth up to one side briefly, and then asks: "Did you fight him?"