Zhang Zhilei has three losses against three opponents on his boxing record. For a list of Zhilei's best fights, refer to "Best fights of Zhang Zhilei".
On February 22, 2025 Zhang Zhilei fought Agit Kabayel in a heavyweight world-title fight for Kabayel's WBC title. Zhilei was 41 years old and with a record of 27-3-1 (22), and Kabayel was 32 years old and with a record of 25-0 (17). Zhilei lost the fight via 6th-round KO.
On March 8, 2024 Zhang Zhilei met Joseph Parker in a heavyweight (WBO) world-title defense fight. Zhilei was 40 years old and with a record of 26-2-1 (21), and Parker was 32 years old and with a record of 34-3 (23). Zhilei lost the fight via 12-round majority decision and lost the title.
On August 20, 2022 Zhang Zhilei faced off against Filip Hrgović in a heavyweight bout at age 39. He was coming in with a record of 24-1-1 (19), and Hrgović was 30 years old and with a record of 14-0 (12). Zhilei lost the fight via 12-round unanimous decision.
