A full quarter of a century after winning the World Snooker Championship for the first time at the age of 25, a now 50-year-old Mark Williams will try to claim a fourth world title when he strides out at the Crucible Theatre on Sunday afternoon.
If the veteran Welshman always exudes an air of nonchalance, no matter how high the stakes, surely even he will have one or two butterflies fluttering as he begins a best-of-35 encounter with Zhao Xintong, when he will take his place as the oldest finalist in Crucible history.
