Andy Murray says he is not "expecting to go far" when he makes his first appearance at a Grand Slam for 14 months at next week's US Open.
Murray, 31, has not played at a major since Wimbledon 2017 because of a hip injury that required surgery.
The Briton, now ranked 378th in the world, will play Australia's James Duckworth in the first round at Flushing Meadows on Monday.
"It is a slightly odd mentality to be coming in with," he said.
"These are the tournaments for the past 10, 12 years of my life that I've been training for, preparing for and trying to compete for and maybe one day win one of them.