Kim ran his first World Cup races in Salt Lake City early in the 2019/20 season . There he finished fourth over 500 m and second place over 1500 m and with the relay. In the further course of the season he came in second place with the relay in Montreal and won his first World Cup victories in Nagoya over 1500 m and with the mixed relay. He was also there second with the relay. At the end of the season he achieved second place over 1000 m in Dordrecht and finally reached seventh place in the World Cup over 1000 m and fourth place in the World Cup over 1500 m.