Robert Smeets defeated Yu Chang 6-3 6-1 in the Australia F6 qualifying round on hard.
Smeets R. took it in straight sets.
Robert Smeets beat Yu Chang 6-3 6-1. Umpiry, "Robert Smeets vs Yu Chang — Australia F6 Qualifying Round", https://umpiry.com/match/2009-09-21/chang-vs-smeets-australia-f6-qf?utm_source=cite (as of 21 September 2009).