WTA introduces mandatory genetic sex testing for all players
WTA requires one-time SRY gene test via cheek swab for all women's tour players
Policy effective July 22, 2026, replaces testosterone-threshold approach from 2024
Intended to prevent transgender women from competing on professional women's tour
Aligns with IOC eligibility policy from March 2026 for 2028 Los Angeles Olympics
Non-compliance risks suspension and ineligibility from WTA tournaments