Hamilton began the 2013–14 season ranked number 43, after dropping 11 places in the rankings during the previous season. He qualified for the Wuxi Classic by defeating Jamie O'Neill 5–1. At the venue he defeated Ryan Day, Stuart Bingham and Mark Williams to reach the quarter-final, where he lost 3–5 against Robert Milkins. After this, Hamilton failed to qualify for two of the next three ranking events; he lost 2–5 against Mark Joyce at the Shanghai Masters, and 3–6 against Paul Davison at the International Championship. He qualified for the Indian Open by defeating Michael Wasley 4–2, but withdraw from his last 64 match against Michael White. Hamilton also lost 4–6 against Sean O'Sullivan in the first round of the UK Championship. He then qualified for the televised stages of the German Masters, the World Open and the China Open with 5–3 wins against Ross Muir, Andrew Norman, and Alex Borg. He reached the last 16 of the German Masters and the Welsh Open, where he lost 3–5 against Ryan Day 2–4 against Ricky Walden respectively; Hamilton lost in the first round of the World Open and the China Open 3–5 against Mark Selby and 4–5 against Neil Robertson. Hamilton played in all European Tour events this season, and reached the fourth round at four of them.&lt;ref name="WWWS 2013/2014"&gt;&lt;/ref&gt; This performance helped him to finish 23rd on the European Tour Order of Merit, and qualified for the Finals, where he reached the last 16, but lost 3–4 against Gerard Greene, despite leading 3–0. Hamilton's season ended when he lost 7–10 to Joe Swail in the second qualifying round of the World Championship.