In the first half of the 2016–17 season, Maflin got to the last 16 of two tournaments, the World Open (lost 5–1 to Shaun Murphy) and the Northern Ireland Open (lost 4–2 to Mark King. Victories over Fang Xiongman, James Wattana, Mitchell Mann and Yan Bingtao at the Welsh Open saw him progress to the quarter-finals where he was defeated 5–2 by Robert Milkins.