Yang Lu defeated Kelsey Stevenson 6-4 6-1 in the Thailand F6 round of 32 on hard. The upset overturned the form book — Kelsey Stevenson came in leading the head-to-head 1–0. Yang Lu claimed a first win over Kelsey Stevenson in two meetings, levelling the head-to-head at 1–1.
Lu Y. took it in straight sets.
Yang Lu beat Kelsey Stevenson 6-4 6-1. Umpiry, "Yang Lu vs Kelsey Stevenson — Thailand F6 Round of 32", https://umpiry.com/match/2012-11-12/lu-vs-stevenson-thailand-f6-r32?utm_source=cite (as of 12 November 2012).