Tomic, Haase, Isner, Reister, Stepanek, Haas, Dodig, Golubek, and Bogomolov retired.
Pospisil was a walkover.
I'm compiling stats for something totally different (tiebreaks that pass 6-all . . . and McEnroe's stupid obsession with fifth set tiebreaks) so I mark down retirements to make sure I have all 127 matches played in every Slam.