S D Prajwal Dev defeated Philip Sekulic 3-6 6-3 6-4 in the M15 Nakhon Si Thammarat 2 quarter-final on hard. The upset overturned the form book — Philip Sekulic came in ranked #336, leading the head-to-head 1–0. S D Prajwal Dev claimed a first win over Philip Sekulic in two meetings, narrowing the head-to-head to 1–1.
Prajwal Dev S. came through in three sets.