Maguire lost in the first round of the opening ranking event of the new season with a 4–5 defeat to Rod Lawler at the Wuxi Classic and then could not advance out of his group in the Six-red World Championship.&lt;ref name="2012/13"&gt;&lt;/ref&gt; His results soon picked up, however, as he won the second PTC title of his career at the UK PTC Event 1 by beating Jack Lisowski 4–3 in the final. He stated after the win that he was going to put a greater emphasis on his safety game this season.