O'SullivanRonnie O'Sullivan beat Graeme Dott 4-1 to progress to the semi-finals . Ronnie O'Sullivan will now face Stuart Bingham in the last four in Llandudno .
Ronnie O'Sullivan beat Graeme Dott 4-1 to progress to the semi-finals . O'Sullivan will now face Stuart Bingham in the last four in Llandudno .