The 33-year-old former world number one, who first played in New York in 1999, lost 6-3, 6-4, 6-3 to big-hitting Czech sixth seed Tomas Berdych on Wednesday and faced the usual barrage of enquiries as to what his future holds.
"Do you think we'll see you here next year?"
"Don't know, I get asked that every week."
"What do you hope will be your future at the US Open looking forward?"
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"Are you going to stick around?"
"Don't know. I haven't even thought about it."
The grizzled veteran, who has undergone five painful surgeries in five years in an effort to prolong his career including a knitting of the bone in his troublesome left foot, has not gone beyond the fourth round of a major since Wimbledon in 2009.
This year had been equally disappointing on the biggest stages with a second round loss at Wimbledon preceded by first round exits at the Australian and French Opens.
But despite constant speculation over his future plans, the 2001 US Open and 2002 Wimbledon champion is currently more concerned about Australia maintaining their place in the Davis Cup World Group.