Trending badgeTrendingPosted 1 hour agoSubscribe to BuzzFeed Daily NewsletterCaret DownDonald Trump's Reaction To The Winner Of The US Open Is Going Viral"I love when he makes this face."by Matt StoperaBuzzFeed StaffFacebookPinterestLinkHot Topic🔥 Full coverage and conversation on Politics Donald Trump attended the US Open men's final on Sunday, and things started off kind of sour because the match was delayed 45 minutes due to extra security checks.