[4] Walker also competed at the Players Tour Championship, with his best result coming at the fourth event in Sheffield, where he reached the last 64 and lost 0–4 against Robert Milkins.

[13] Walker fared better in the minor-ranking Players Tour Championship events as he played in all ten tournaments, with his best result coming in the Scottish Open, where he beat Andrew Pagett and Stuart Bingham, before losing 2–4 to Liang Wenbo in the last 32.

In Walker's first appearance in the main draw of a ranking event, he defeated Alex Davies 5–2 in the first round to progress to the last 32 stage, where he lost 5–2 against Ben Woollaston.

[18] He led world number three Ding Junhui 4–2 and missed several chances to wrap up a win which would have doubled his previous career prize money earnings to be defeated 5–4.

[22] He eliminated Alan McManus 6–1 and Tom Ford 6–3 at the UK Championship and then led world number 11 Stuart Bingham 3–0, but went on to lose in a deciding frame.

[24] Before the start of the World Championship, Walker stated his desire to become the first player from Sheffield to play in the event, but he lost 10–6 to Stuart Carrington in the first qualifying round.

[23] Walker made his debut in the Australian Goldfields Open thanks to beating Jamie Cope 5–2, Adam Duffy 5–3 and Gary Wilson 5–3 in the qualifiers, but was thrashed 5–0 by Stephen Maguire in the first round.