Mumbai, July 9 -- Grigor Dimitrov sat on court, left palm clutching the right pectoral area, and laughed almost hysterically as Jannik Sinner sprinted over to check on him Monday night. Moments later, Dimitrov walked on court, the right arm stoically stationary, and wept after being arm in arm with Sinner. The barely believable events that played out on Centre Court was a microcosm of Dimitrov's tryst with tennis of late - from laughter to tears, from total control to turbulent collapse, from exceptional play to excruciating pain. Just like that, in a matter of seconds, in a manner most sudden. Just like that, his Wimbledon ended, his horrors of the past four Slams continued. The 34-year-old Bulgarian was more than halfway into a realistic ...