A CNN flash poll showed 63% of viewers thought Harris won the debate, despite an earlier poll predicting it would be a 50-50 toss up, while a whopping 12 out of 17 voters selected by Fox News declared Harris the winner.

https://www.mediaite.com/politics/voter-polls-showed-i-had-a-great-debate-claims-trump-after-voters-overwhelmingly-said-he-lost-to-harris/