Young Seok Lee @ Challenger Gimcheon

Vasek Pospisil Thomas Fabbiano Yoshihito Nishioka Go Soeda Teymuraz Gabashvili Max Purcell Konstantin Kravchuk Blaz Kavcic Renta Tokuda Liam Broady Makoto Ochi Akira Santillan Marco Chiudinelli Mackenzie McDonald Jason Jung Duckhee Lee Dudi Sela Ruben Bemelmans Tatsuma Ito Brydan Klein Luke Saville Yuki Bhambri Yusuke Takahashi Hubert Hurkacz Filip Peliwo Yunseong Chung Illya Marchenko Yen-Hsun Lu Jordan Thompson Dayne Kelly Wishaya Trongcharoenchaikul Marcos Giron John-Patrick Smith Omar Jasika Maverick Banes Di Wu Cheong-Eui Kim Seong Chan Hong Austin Krajicek Brayden Schnur Yasutaka Uchiyama Bradley Mousley Marinko Matosevic Zhe Li Prajnesh Gunneswaran Marko Tepavac Hiroki Moriya Ze Zhang Sadio Doumbia Juan Pablo Paz