Yuichi Sugita defeated Jae Sung An 6-2 6-3 in the Thailand F4 qualifying round on hard. The upset overturned the form book — Jae Sung An came in leading the head-to-head 2–0. Yuichi Sugita claimed a first win over Jae Sung An in three meetings, narrowing the head-to-head to 2–1.
Sugita Y. took it in straight sets.