China's Zhang Anda makes the first maximum 147 break of this year's UK Championship, in his first-round match against compatriot Lei Peifan.

Ronnie O'Sullivan marvelled at Zhang Anda's "perfect" 147 maximum break in his first-round UK Championship clash against Lei Peifan at the York Barbican.

Zhang Anda made a 147 in his first round match against Lei Peifan in the UK Championship on Tuesday night, the third of his career. The world number 11 knocked in the perfect break in the fourth frame of the contest at the Barbican in York.