Harris/Chan debuted internationally on the Challenger series at the 2019 CS Warsaw Cup, where they placed ninth, in the process defeating reigning Australian national champions Kerry/Dodds (in eleventh place) by almost 25 points. They went on to win the Australian national title. Harris/Chan made their ISU Championship debut at the 2020 Four Continents Championships in Seoul, where they placed ninth. They were assigned to compete at the World Championships in Montreal, but these were cancelled as a result of the coronavirus pandemic.