After beating Ali Carter 6–5 at the International Championship, he lost 6–3 to Marco Fu in the second round. Lisowski knocked out Zak Surety and Graeme Dott at the UK Championship, but bemoaned the fact that he could not translate that form to the main arena in the third round as he lost 6–4 to David Grace. He was narrowly defeated 4–3 in the second round of the Welsh Open to Martin Gould. An impressive 5–1 victory over Michael White saw Lisowski progress to the second round of the China Open, where he lost 5–2 to Stephen Maguire. Lisowski was beaten 10–7 by David Gilbert in the final World Championship qualifying round.