Evans has performed 28 Davis Cup ties for Nice Britain and was a substitute once they received their final title in 2015.
Nevertheless, he was swept apart within the first set by Shapovalov, who silenced the 15,000-strong crowd at Manchester Enviornment by taking the opener in simply 25 minutes.
The Briton, 34, lastly received on the scoreboard when he held early within the second set however didn’t benefit from two break factors at 4-4.
Former world quantity 10 Shapovalov was in a position to again up a dominant first set when he struck the decisive blow at 6-5 to take his nation to the knockout levels, which is able to happen from 19-24 November.
Evans mentioned afterwards he would communicate to captain Smith about probably ending his Davis Cup profession.
“I’ve thought of it lengthy and laborious. I will should suppose somewhat extra,” Evans informed BBC Sport.
“I really like competing for my nation. I’ve beloved each minute of it however generally you have to know when to go away.
“Will probably be a troublesome resolution however generally it is good to present any individual else the chance and watch from afar.”