You Xu Shen defeated Matthias Haim 6-1 6-0 in the Turkey F4 qualifying round of 64 on hard.
Xu Shen Y. took it in straight sets.
You Xu Shen beat Matthias Haim 6-1 6-0. Umpiry, "You Xu Shen vs Matthias Haim — Turkey F4 Qualifying Round of 64", https://umpiry.com/match/2013-01-28/haim-vs-shen-turkey-f4-q64?utm_source=cite (as of 28 January 2013).