Philip Bester advanced past Jan Choinski via walkover in the USA F12 qualifying round.
Bester P. advanced on a walkover.
Philip Bester advanced when Jan Choinski withdrew. Umpiry, "Philip Bester vs Jan Choinski — USA F12 Qualifying Round", https://umpiry.com/match/2017-04-03/bester-vs-choinski-usa-f12-qf?utm_source=cite (as of 3 April 2017).