In the &lt;a href="2010/2011%20snooker%20season"&gt;2010/11&lt;/a&gt;, Robertson continued to rise up the rankings. He also qualified for the main draw of a ranking event for the first time, at the 2011 World Snooker Championship. He defeated Xiao Guodong, Tony Drago, and former world champion Ken Doherty to qualify for his Crucible debut. He won the first frame of his first round match against Mark Selby only to lose the match 10–1.