Sa Chen defeated Yang Li 6-0 6-1 in the China F4 round of 32 on hard.
Chen S. took it in straight sets.
Sa Chen beat Yang Li 6-0 6-1. Umpiry, "Sa Chen vs Yang Li — China F4 Round of 32", https://umpiry.com/match/2009-05-11/chen-vs-li-china-f4-r32?utm_source=cite (as of 11 May 2009).