A gloomy Rafael Nadal has cast doubt over his chances of being fit to face Nick Kyrgios in the Wimbledon semi-final the world wants to see.
But after he defied his family, who wanted him to pull out because of his painful abdomen injury during his quarter-final with Taylor Fritz, the indefatigable Nadal demonstrated almost super-human spirit on Wednesday to keep his dream of a calendar grand slam alive.
