“…This statement outlined key considerations in classification research including the impact of sport rules, blindfolds, guides, procedures for evaluating vision, and developed models for undertaking classification research. Building on this, a number of individual sports such as shooting (Allen et al, 2016(Allen et al, , 2018(Allen et al, , 2019Myint et al, 2016), swimming (Ravensbergen, Genee, & Mann, 2018) and judo (Krabben et al, 2018(Krabben et al, , 2019 have begun to develop evidence bases for classification. However, challenges remain for the VI version of the world's most popular sport, football.…”