Danielle Collins defeated Zhaoxuan Yang 6-4 6-4 in the Tokyo qualifying round 2 on hard.
Collins D. took it in straight sets.
Danielle Collins beat Zhaoxuan Yang 6-4 6-4. Umpiry, "Danielle Collins vs Zhaoxuan Yang — Tokyo Qualifying Round 2", https://umpiry.com/match/2017-09-18/collins-vs-yang-tokyo-q2?utm_source=cite (as of 18 September 2017).