Xin Gao defeated Benjamin Mitchell 2-6 6-3 6-3 in the Australia F7 round of 32 on hard. The upset overturned the form book — Benjamin Mitchell came in leading the head-to-head 1–0. Xin Gao claimed a first win over Benjamin Mitchell in two meetings, levelling the head-to-head at 1–1.
Gao X. came through in three sets.
Xin Gao beat Benjamin Mitchell 2-6 6-3 6-3. Umpiry, "Xin Gao vs Benjamin Mitchell — Australia F7 Round of 32", https://umpiry.com/match/2017-10-09/gao-vs-mitchell-australia-f7-r32?utm_source=cite (as of 9 October 2017).