 Complete the following phrase:  In July 2013 he won the Rotterdam Open, defeating Mark Selby 43 in the final. This was Williams second title in a Players Tour Championship event. However, he had a poor season in the ranking events as he failed to reach a single quarter-final for the first time since the 200607 season.ref name201314ref He did earn an encouraging 43 win over world number one Neil Robertson at the 