Ze Zhang defeated Ivan Sergeyev 6-4 7-6 in the China F2 qualifying round on hard.
Zhang Z. took it in straight sets.
Ze Zhang beat Ivan Sergeyev 6-4 7-6(7). Umpiry, "Ze Zhang vs Ivan Sergeyev — China F2 Qualifying Round", https://umpiry.com/match/2009-01-12/sergeyev-vs-zhang-china-f2-qf?utm_source=cite (as of 12 January 2009).