The only technique that team 2 possesses in their arsenal to bypass Susano'o defences is FTG, which Sasuke will counter properly by engulfing his v3 in Enton flames to prevent direct contact. Itachi doesn't add much besides his Yata defence, which can be outlasted by EMS Sasuke's superior chakra reserves. With FTG out of the way, the only thing left for Sasuke to do is pressure Itachi in a Susano'o vs Susano'o confrontation forcing him to use up his reserves, and revert to its lower versions which Sasuke can easily counter by using Kirin. With the ability to freely spam Amaterasu, and to use Great Dragon Fire Technique while still inside his Susano'o defences [
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] prepping Kirin won't be an issue. The only chance the duo has to escape Kirin is if Minato sets up his markings far away from the battlefield while Sasuke is confronting Itachi. Worst come to worst, Sasuke easily outlasts these too considering his war arc stamina and chakra feats.