British tennis bans transgender women from ALL competitive female matches - including internal club competitions - after World No 1 Aryna Sabalenka backed sport's new mandatory sex testing

British tennis has banned transgender women from all competitive female matches, including internal club competitions. The move follows the Women's Tennis Association's introduction of new transgender eligibility rules that implement mandatory genetic testing. World No 1 Aryna Sabalenka has publicly backed the WTA's new policy.