Getty Images (3) Tap Here To Add Us Weekly As A Trusted Source Add as a preferred source on Google Tennis legend Martina Navratilova drew criticism for her blunt assessment of British tennis player Katie Boulter after her defeat at the 2025 US Open. Following Boulter's first round loss to Marta Kostyuk on Tuesday, August 26, Navratilova, 68, suggested it might be time for Boulter, 29, to hang up the racket during a conversation with her Sky Sports cohost, Ryan Harrison.