Hanxiang Chen defeated Hantao Liu 6-3 6-4 in the China F4 qualifying round of 16 on hard.
Chen H. took it in straight sets.
Hanxiang Chen beat Hantao Liu 6-3 6-4. Umpiry, "Hanxiang Chen vs Hantao Liu — China F4 Qualifying Round of 16", https://umpiry.com/match/2015-04-20/chen-vs-liu-china-f4-q16?utm_source=cite (as of 20 April 2015).