Jonathan Gray defeated Ti Chen 6-7 6-3 6-3 in the Vietnam F2 round of 32 on hard. The upset overturned the form book — Ti Chen came in leading the head-to-head 1–0. Jonathan Gray claimed a first win over Ti Chen in two meetings, levelling the head-to-head at 1–1.
Gray J. came through in three sets.
Jonathan Gray beat Ti Chen 6-7(8) 6-3 6-3. Umpiry, "Jonathan Gray vs Ti Chen — Vietnam F2 Round of 32", https://umpiry.com/match/2017-11-13/chen-vs-gray-vietnam-f2-r32?utm_source=cite (as of 13 November 2017).