The Thai No 1 who won back-to-back titles in the two previous circuits beat Jirat Navasirisomboon 6-3 4-6 6-3 in the morning’s quarter-finals before outclassing Aditya Deswal of India 6-1 6-1 in the semi-finals later in the afternoon.
Waiting Pruhcya on Wednesday’s final is top seed and world No 363 Vishnu Vardhan of India, a 6-2 7-6 (7-3) winner over local teenager Nawakarn Khunjan. The 20-year-old Pruchya has been playing for five successive weeks and has reached all finals in those events.