find/meet your match
meet (one's) match
To encounter one's equal or superior in ability, skill, etc., especially in a competitive setting. Stevenson used to be the dominant player on the tour, but it looks like she has finally met her match in the young newcomer. A lot of kids who are used to being the smartest student in school are a little shell-shocked when they meet their match in college.
meet your match
COMMON If you meet your match, you find that you are competing or fighting with someone who is as good as you or is better than you. The United manager, Alex Ferguson, admitted that his team had met their match in Chelsea. The boxer's bruised and bloodied face showed he had met his match in Lewis.