Kaes Vant Hof defeated Ivan Sergeyev 6-3 1-6 6-2 in the China F1 round of 16 on hard.
Vant Hof K. came through in three sets.
Kaes Vant Hof beat Ivan Sergeyev 6-3 1-6 6-2. Umpiry, "Kaes Vant Hof vs Ivan Sergeyev — China F1 Round of 16", https://umpiry.com/match/2009-01-05/hof-vs-sergeyev-china-f1-r16?utm_source=cite (as of 5 January 2009).