There aren't any war games showing China losing. In fact, every war game the Pentagon ran, US lost by a wide margin https://theaviationgeekclub.com/pentagon-war-games-reveal-that-us-would-lose-any-war-fought-in-the-pacific-with-china/

edit: I love how you can just post a link to basic factual information and get mad downvotes from the lost redditors 😂