Shanshan Guo defeated Ao Gai 6-3 6-4 in the Anning round of 32 on clay. The upset overturned the form book — Ao Gai came in leading the head-to-head 1–0. Shanshan Guo claimed a first win over Ao Gai in two meetings, levelling the head-to-head at 1–1.
Guo S. took it in straight sets.
Clay: Guo S. leads 1–0 · Hard: Gai A. leads 1–0
Shanshan Guo beat Ao Gai 6-3 6-4. Umpiry, "Shanshan Guo vs Ao Gai — Anning Round of 32", https://umpiry.com/match/2016-05-04/gai-vs-guo-anning-r32?utm_source=cite (as of 4 May 2016).