French player Terence Atmane unloads after the trainer refuses to treat him for cramp early in the fifth set.

TAMARA PRENN IN NEW YORK: Players are unable to take medical timeouts during matches if they suffer cramp, and can only seek treatment during the change of ends or set breaks.

Atmane's being allowed treatment and then denied it cut to the heart of the near-unenforceable rules around cramps in tennis.