Bowen Ouyang defeated Kittipong Wachiramanowong 6-2 6-4 in the Vietnam F5 round of 32 on hard. The upset overturned the form book — Kittipong Wachiramanowong came in leading the head-to-head 1–0, but Bowen Ouyang had been the form player, winning 3 of their last 8 on hard. Bowen Ouyang claimed a first win over Kittipong Wachiramanowong in two meetings, narrowing the head-to-head to 1–1.
Ouyang B. took it in straight sets.