Tennis star drops brutally honest truth bomb after smashing her racquet to pieces during disastrous US Open match: 'Do I even want to do this anymore?'

The crestfallen Australian No.1 pulverised her racquet into pieces after falling 6-3 4-6 7-6 (10-6) to Japanese qualifier Ena Shibahara in a three-hour, 16-minute rollercoaster of emotions.