Japanese figure skaters Mone Chiba and Shun Sato topped the standings after shining in the short program at the Grand Prix Cup of China in Chongqing on Friday.

Chiba, 19, skating to Donna Summer's "Last Dance," scored 70.86 to edge 0.02 points ahead of Amber Glenn of the United States.

Rion Sumiyoshi, also of Japan, was less than half a point behind in third place.