Ding knocked in a break of 68 in the first frame after the mid-session interval to bring the match to 2-3, but Maguire dominated the final two frames to progress.
Stephen Maguire booked his place in the last 16 of the Malta Cup with an excellent 5-2 victory over Ding Junhui. He meets Peter Ebdon in the next round after seeing off the challenge of the provisional world number five.
