In March 2017, Xu won the Shanghai Haiwan Cup, a national youth tournament, ahead of Liu Yan, Peng Xiongjian, and Wang Tongsen.[2]
In November 2022, Xu played for the Toledo City Trojans in the
Professional Chess Association of the Philippines (PCAP) Third Conference.[3]
In July 2023, Xu won the Thailand International Chess Open Masters ahead of Diptayan Ghosh, and was undefeated during the event.[4] In that same month, he served as a FIDE commentator for the Women's World Chess Championship 2023 alongside Alik Gershon.