Cox made her debut for the Great Britain U16 group in the 2021/22 campaign, averaging just short of 11-points alongside an average of 6.7 rebounds. The forward went on to play with Sevenoaks at U16 and senior team level, appearing in 15 games of the 2022/23 WBBL season. The Brit arrives at the Copper Box as a star that could light up the court in years to come.