Aryna Sabalenka says she has written to Coco Gauff to apologize for the "unprofessional" comments she made following her loss to her American rival in the final of the French Open.

Impaired neuromusculoskeletal function due to conditions such as stroke, osteoarthritis, cerebral palsy, Parkinson's disease, limb amputation, spinal cord injury, traumatic brain injury and cancer is ...