China's Zhao Xintong celebrates victory in the final match against Wales' Mark Williams following day seventeen of the World Snooker Championship at the Crucible Theatre, Sheffield, England.

China's Zhao Xintong celebrates victory in the final match against Wales' Mark Williams following day seventeen of the World Snooker Championship at the Crucible Theatre, Sheffield, England.

China's Zhao Xintong celebrates victory in the final match against Wales' Mark Williams following day seventeen of the World Snooker Championship at the Crucible Theatre, Sheffield, England.

Wales' Mark Williams, left, congratulates China's Zhao Xintong after the final match following day seventeen of the World Snooker Championship at the Crucible Theatre, Sheffield, England.

Wales' Mark Williams reacts in the final match against China's Zhao Xintong on day seventeen of the World Snooker Championship at the Crucible Theatre, Sheffield, England.

China's Zhao Xintong in action against Wales' Mark Williams in the final match on day seventeen of the World Snooker Championship at the Crucible Theatre, Sheffield, England.

Wales' Mark Williams in action in the final match against China's Zhao Xintong on day seventeen of the World Snooker Championship at the Crucible Theatre, Sheffield, England.

China's Zhao Xintong during his Final match with Wales' Mark Williams on day seventeen of the Halo World Snooker Championship at the Crucible Theatre, Sheffield, England.

Wales' Mark Williams during his Final match with China's Zhao Xintong on day seventeen of the World Snooker Championship at the Crucible Theatre, Sheffield, England.

China's Zhao Xintong in action as he plays Wales' Mark Williams during the final of the World Snooker Championship, at the Crucible Theatre, Sheffield, England.