Players with optimal functional mobility with motor impairment below the knee or motor impairment of one upper limb. E.g.-a player who has an amputation or other disability below the knee or a player who has an amputation of one arm at joint level or who displays a congenital malformation in one arm.
Players with optimal functional mobility with impairment above the knee of one or both lower extremities and with or without alterations in one or two upper extremities. E.g.-amputation above the knee, hemiplegic, hemiparesis, congenital malformation and cerebral palsy.
Player with an intermediate functional mobility that can play on a 60 x 21 foot tennis court using an orange ball.
Player with low functional disability that can play on a 36 x 18 foot tennis court with a red ball.