Thanks for everyone to attend our challenges in the 3rd Face Anti-spoofing challenge @ ICCV 2021.  In this challenge, we focus on 3D High-Fidelity Mask Face Presentation Attack Detection Challenge (link). It has absorbed 195 teams in the development stage, 56 teams have been adopted in the final ranking stage. Finally, 20 teams have submitted their codes.  All the results are re-run by the organizing team, which are used for the final ranking (SEE BELOW). Congratulations to all of you. The winners' awards are provided by Baidu.