Huai En Chang defeated Christoph Lessiak 6-1 6-0 in the Indonesia 1 1 round of 32 on hard.
Chang H. took it in straight sets.
Huai En Chang beat Christoph Lessiak 6-1 6-0. Umpiry, "Huai En Chang vs Christoph Lessiak — Indonesia 1 1 Round of 32", https://umpiry.com/match/2006-05-08/chang-vs-lessiak-indonesia-1-1-r32?utm_source=cite (as of 8 May 2006).