Robertson began the season poorly once more as he lost in the first round of the Wuxi Classic and the second round of the Australian Goldfields Open and the Shanghai Masters.&lt;ref name="2012/13"&gt;&lt;/ref&gt; He returned to form at the minor-ranking Gdynia Open in Poland by defeating Jamie Burnett 4–3 in the final. At the inaugural International Championship in Chengdu, China, Robertson saw off Ryan Day, Matthew Stevens, Lü Haotian and Shaun Murphy 9–5 in the semi-finals to reach the final. There he led Judd Trump 8–6 but lost four consecutive frames to succumb to an 8–10 defeat. He enjoyed a comfortable passage into the quarter-finals of the UK Championship with 6–1 and 6–2 wins over Tom Ford and Barry Hawkins respectively to face Mark Selby. Robertson squandered a 4–0 lead to lose 4–6 in a match which finished after midnight.