They are set to face each other in Sun FC 2.
The fight is scheduled to take place on June 28, 2014
The fight is set to start at 24:00 GMT.
The venue for the fight is in Hive Club.
They are competing in the UFC Welterweight.
Yoon Hyun Lee represents South Korea, and Rae Yoon Ok represents South Korea.
The fight is a highly anticipated championship bout in the UFC Welterweight.