What is the relationship between Yu Zhengqi and Ke Jie?

Competitors. According to the information of the 5th Dream Lily Cup World Go Open, Ke Jie's 9-segment played against Yu Zhengqi's 8-segment black chess. Black 29 Xiao Fei looks like Mount Tianwang. However, AI thinks this is a slow step. Ai thinks black depends on 1. Both are competitors.