Christopher Rungkat defeated Hao Zhang (1997) 6-4 6-2 in the China F2 qualifying round of 64 on hard.
Rungkat C. took it in straight sets.
Christopher Rungkat beat Hao Zhang (1997) 6-4 6-2. Umpiry, "Christopher Rungkat vs Hao Zhang (1997) — China F2 Qualifying Round of 64", https://umpiry.com/match/2014-03-10/1997-vs-rungkat-china-f2-q64?utm_source=cite (as of 10 March 2014).