Ding Junhui of China competes during the quarterfinals of 2013 Welsh Snooker Open against Robert Milkins of England at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Ding won 5-1.(Xinhua/Wang Lili)

Pankaj Advani (R) of India watches as Judd Trump of England plays during the Quarterfinals of 2013 Welsh Snooker Open at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Pankaj Advani lost 2-5.(Xinhua/Wang Lili)

Ding Junhui of China competes during the quarterfinals of 2013 Welsh Snooker Open against Robert Milkins of England at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Ding won 5-1.(Xinhua/Wang Lili)

Ding Junhui of China competes during the quarterfinals of 2013 Welsh Snooker Open against Robert Milkins of England at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Ding won 5-1.(Xinhua/Wang Lili)

Judd Trump of England competes during the quarterfinals of 2013 Welsh Snooker Open against Pankaj Advani of India at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Judd Trump won 5-2.(Xinhua/Wang Lili)

Judd Trump of England competes during the quarterfinals of 2013 Welsh Snooker Open against Pankaj Advani of India at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Judd Trump won 5-2.(Xinhua/Wang Lili)

Ding Junhui of China competes during the quarterfinals of 2013 Welsh Snooker Open against Robert Milkins of England at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Ding won 5-1.(Xinhua/Wang Lili)

Ding Junhui of China ponders during the quarterfinals of 2013 Welsh Snooker Open against Robert Milkins of England at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Ding won 5-1.(Xinhua/Wang Lili)

Robert Milkins of England competes during the quarterfinals of 2013 Welsh Snooker Open against Ding Junhui of China at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Robert Milkins lost 1-5. (Xinhua/Wang Lili)

Judd Trump of England observes during the quarterfinals of 2013 Welsh Snooker Open against Pankaj Advani of India at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Judd Trump won 5-2.(Xinhua/Wang Lili)

Ding Junhui of China competes during the quarterfinals of 2013 Welsh Snooker Open against Robert Milkins of England at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Ding won 5-1.(Xinhua/Wang Lili)

Judd Trump of England competes during the quarterfinals of 2013 Welsh Snooker Open against Pankaj Advani of India at Newport Cetre in Newport, south Wales, Britain on Feb. 15, 2013. Judd Trump won 5-2.(Xinhua/Wang Lili)