Ronnie O'Sullivan's poor form continues as the seven-time world champion is beaten in a deciding frame by Ka Wai Cheung in the first round of the Northern Ireland Open.
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O'Sullivan loses to Cheung in NI Open return
Ronnie O'Sullivan's poor form continues as the seven-time world champion is beaten in a deciding frame by Ka Wai Cheung in the first round of the Northern Ireland Open.
