Ying began 2019 with a decision win over Promdonyang Wirat, and followed it up with a unanimous decision win against Nicolas Gaffie, before losing a decision in turn to Markko Moisar. He then entered the 2019 WLF 63 kg tournament. He defeated Anas Mouktader by decision in the quarterfinals, but lost to the eventual winner
Denis Wosik by decision in the semifinals. In 2020, Ying fought four times. In the WLF King's Cup First Stage, Ying won a unanimous decision against
Zhu Shuai. In the second stage he defeated
Zhao Chongyang by a first round TKO, and in the third stage he won a decision against Fang Feida. This set up the final bout for the 2020 King's Cup against the two time WLF champion
Wei Rui. Rui won their fight by unanimous decision. ==Titles and achievements==