[2][3] He won his first match by beating Grant Miles 5–1 in the 2015 Australian Goldfields Open qualifiers, before losing by a reverse of this scoreline to Li Hang.

[5] In Clark's first appearance at a Chinese ranking event he won a match at a venue for the first time by beating Davis 5–4.

[7] His first season as a professional ended with an opening round 5–10 defeat to David Gilbert in World Championship qualifying.

[4] Clark received a bye to the second round of the 2016 English Open and then eliminated Lee Walker 4–2 and Kyren Wilson 4–3 (finished the match with 50 plus breaks in five successive frames) to advance to the last 16 of a ranking event for the first time and he lost 1–4 to Stuart Bingham.

[8] Clark earned a second round televised match with Ronnie O'Sullivan at the UK Championship after squeezing past Li Hang 6–5, but was whitewashed 0–6.