World number four Neil Robertson established a 6-2 lead over Jack Lisowski after the first session of their Cazoo Tour Championship quarter-final.
Robertson holds the upper hand in meetings with six-time ranking event finalist Lisowski. The Australian has won every time the pair have faced each other, holding a 4-0 lead in the head-to-head.
Lisowski is on the hunt for a maiden ranking title, having lost all three of his final appearances this season. The Gloucestershire cueman was runner-up to Judd Trump at the World Grand Prix, German Masters and Gibraltar Open.
It was Robertson who edged to an early lead, making breaks of 91 and 51 in establishing a 2-0 advantage. However, Lisowski ensured they went into the mid-session level with a run of 80.
When they returned Robertson assumed full control of proceedings. The Australian fired in breaks of 73, 112 and 116 on his way to four on the bounce to lead 6-2 heading into tonight.
They will return at 7pm to play the best of 19 encounter to its conclusion.
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