Yusheng Du

Yusheng Du (杜宇生) is a Chinese speedcuber who achieved the first official sub 4-second 3x3x3 Rubik's Cube single with a time of 3.47 seconds, which he achieved at the Wuhu Open 2018 on November 24th, beating the previous record set by Feliks Zemdegs by 4.22 seconds. He used the MoYu Weilong GTS2 M cube in his record solve. He used the algorithm CFOP