Maflin had a difficult first half of 2014/15 season, with just two last 16 appearances in the minor-ranking Yixing Open and Lisbon Open to his name, while at the major tournaments he couldn't progress beyond the last 64 stage. He continued to struggle into the early months of 2015 as he suffered a string of first round exits.&lt;ref name="2014/15"&gt;&lt;/ref&gt; A return to form came for Maflin at the China Open, as he defeated Ali Carter, Mike Dunn, Robin Hull and Shaun Murphy to reach his second career semi-final, where he faced the reigning world champion Mark Selby. Despite making two century breaks, he lost the last three frames to be denied his first ever final by a 6–3 scoreline. Maflin carried his good form into the World Championship qualifiers, as he convincingly beat David Grace 10–5 and Steve Davis 10–1 to once again reach the final round. Maflin fell 6–3 down to Fergal O'Brien after the first session, but won six frames in a row the next day to find himself one frame away from the victory; O'Brien then fought back to 9–9, however Maflin survived the tense decider to win 10–9 and secured his debut at the Crucible. He was drawn to play Selby in the first round and came from 7–3 and 8–4 down to lead Selby 9–8. Maflin had chances to complete a shock win in the next two frames but could not take them as Selby recovered to win 10–9.