Hallworth failed to qualify for the opening two ranking events in the 2014–15 season, but did secure his first win as a professional, beating Zak Surety 5–4 in the first qualifying round of the Australian Goldfields Open. All 128 players on the snooker tour automatically play in the first round of the UK Championship and in Hallworth's debut at the venue stage of a ranking event he lost 6–1 to Mark Williams. In the Welsh Open first round he took Shaun Murphy to a deciding frame but lost it to be edged out 4–3.&lt;ref name="2014/15"&gt;&lt;/ref&gt; Hallworth led reigning Indian Open champion Michael White 4–0 in the opening round of World Championship qualifying, before losing seven frames in a row and went on to be defeated 10–8. He ended his first season on tour as the world number 116.