I've seen it many times. I know that he did the right thing giving ground until he could reach the level were he'd have more support.
However, that wasn't apparent as it was unfolding. So, I wanted him to morph into the Atomic Blonde and kick the pursuer down the stairs. And then confront any other pursuers thusly,...
Note, if you haven't seen this movie you DO want to stream it, no less for it's mostly late '80's sound track.