“Emma Raducanu must become more robust if she is to cope with the demands of elite tennis, says Great Britainu0027s Billie Jean King Cup captain Anne Keothavong. Raducanu admitted she was “completely unable to move” during her singles rubber loss to Marketa Vondrousova in Prague following a foot blister. It follows other ailments this season as she struggles to build on her momentous 2021.”