In a match that lasted 155 minutes, third seeded Jeevan could not find his rhythm initially and the first set went into a tiebreak which the Indian pocketed rather easily.
But Wang found his groove early in the second setand broke Jeevan in the second and eighth games to win the set 6-2 and take the game into the decider.
Jeevan regained his composure and broke Wang in the first game of the third set after being down 15-40.
Maintaining the same tempo, Jeevan won the set 6-2 and the enter the finals of the tournament.
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In the second semi-final, top seed Victor Crivoi of Romania defeated fourth seed Thales Turini of Brazil 6-3 6-2.
Singles semi-finals: Victor Crivoi (ROU) [1] beat Thales Turini (BRA) [4] 6-3 6-2, Jeevan Nedunchezhiyan (IND) [3] beat Tak Khunn Wang (FRA) 7-6 (2) 2-6 6-2.
Doubles finals: Arata Onozawa (JPN)/Arun-Prakash Rajagopalan (IND) [1] beat N Sriram Balaji (IND) [2]/ Jeevan Nedunchezhiyan (IND) 6-4 0-6 (7).