Andrey Golubev defeated Ze Zhang 6-2 6-4 6-3 in the CHN vs KAZ round robin on hard.
Golubev A. took it in straight sets.
Golubev A. and Zhang Z. faced 1 of the same opponent in the last 12 months. Golubev A. went 1–0 (100%) against them, Zhang Z. 1–0 (100%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Andrey Golubev beat Ze Zhang 6-2 6-4 6-3. Umpiry, "Andrey Golubev vs Ze Zhang — CHN vs KAZ Round Robin", https://umpiry.com/match/2010-05-07/golubev-vs-zhang-chn-vs-kaz-rr?utm_source=cite (as of 7 May 2010).