Near the stop, Naruto suspected some thing was Incorrect following Boruto won. During the anime, he didn't realise nearly anything was amiss until eventually Boruto's following match while in the finals when he defeated Shinki. He requested Hinata to utilize her Byakugan and she noticed Boruto carrying a Kote (from https://brooks18z6r.ampblogs.com/about-naruto-71966337