Yet, on the eve, of his 35th birthday he was close to pulling off one of the shocks of the year.
"Never write me off," said the Colchester-based world No33, who lost 15-12, 15-13, 2-15, 3-15, 5-15 to his workmanlike Australian rival.
"It wasn't a match, but a game too far."
Walker didn't, however, let his defeat bring him down for long. Five hours after climbing out of bed he was off to New York to carry out his coaching duties before playing again in the States.