The Queenslander, who had been seeking to progress past the first round in Paris for the first time in six attempts, was substituted in the draw by German blessed loser Peter Gojowczyk. Millman has been allegedly struggling with a back injury.
Mager walked Court 8 seemingly oblivious that his second French Open campaign would not be proceeding as planned and waited for many moments prior to Gojowczyk appeared.
Former doubles legend Todd Woodbridge said he hadn't ever seen anything similar to the late withdrawal from comment for Stan Sport, possessed by Nine, writer of this site.
"I have never seen that occur where a lucky failure has walked onto the court and the competition had no thought was going to take place.
"We all know that John was incredibly well and I am certain he could have done everything in his power to be out on court, but he could not make it"
Millman's game was made to kick off a big night for the Australian based, together with Christopher O'Connell, Jordan Thompson and Storm Sanders all set to play with their first-round matches.
Wildcard Harmony Tan mad former world No.11 Alize Cornet 6-4, 6-4 in an all-French battle on Court Simonne Mathieu.