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Ronnie O'Sullivan's Sheffield nightmare
  • Ronnie O'Sullivan during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan appears dejected during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • James Cahill plays a shot as Ronnie O'Sullivan looks on during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • James Cahill celebrates after beating Ronnie O'Sullivan 10-8 during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • James Cahill (right) is congratulated by Ronnie O'Sullivan during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan appears dejected during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan (left) and James Cahill during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan reacts after missing a pot during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan (left) and James Cahill during day four of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan during day three of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan (left) and James Cahill during day three of the 2019 Betfred World Championship at The Crucible, Sheffield.
  • Ronnie O'Sullivan plays a shot as referee Olivier Marteel watches during day three of the 2019 Betfred World Championship at The Crucible, Sheffield.