He won four matches in Shanghai Masters qualifying, concluding with a 5–3 victory over Marcus Campbell to reach the main stage of a ranking event for the first time.

[10] In World Championship qualifying, Wilson beat Chris Norbury 10–6 and then defeated Alfie Burden and Rod Lawler, both by 10–3 score lines, to stand just one win away from making his first appearance at the main stage of the tournament.

[10][15] In the fourth qualifying round, he faced the 2006 winner of the event Graeme Dott and came back from 1–4 down to trail only 4–5 at the end of the first session.

[20] Wilson played world number 12 Ricky Walden in the first round of the championship, losing 7–10 after a final frame that lasted for over an hour.

[21] Wilson failed to qualify for the first three ranking events of the 2014–15 season, before beating Ross Muir to play in the first round of the International Championship where he lost 2–6 to Sam Baird.

[22] He did exactly that as he made an 87 break to lead 5–4 and had a chance to win in the next frame courtesy of a fluked red, but lost position on the final brown allowing Robertson to level.

[23] After losing in the semi-finals of the 2015 Snooker Shoot-Out, Wilson had his best finish of the year in a ranking event as he dropped just one frame in his victories over Alan McManus and Ben Woollaston at the Indian Open.

[29] Along with Anthony Hamilton at the China Open qualifiers, Wilson set a new record of six consecutive centuries in a snooker match, four of which were scored by him.

[10] He finished fourth on the World Grand Prix Order of Merit,[31] and at the event he lost 1–4 to Joe Perry in the last 16.

[35] Wilson recovered from 0–3 down to Xiao Guodong in the second round of the Indian Open to win 4–3 and would go on to play in the final after eliminating Nigel Bond 4–1 in the semi-finals.

[36] In the fourth round of the Northern Ireland Open, Wilson was 3–0 up before his opponent Ronnie O'Sullivan restricted him to one pot as he levelled with three successive centuries.

[42] He had a great start against Stuart Bingham in round two as he won the first five frames and he went on to reach the quarter-finals of the event for the second year in a row with a 13–10 win.

[44] Wilson made his first official maximum break against Martin Gould in the second round of the International Championship, but eventually lost 5–6.

[50] In August 2018, Wilson claimed his second ranking event title at the Paul Hunter Classic, defeating 2002 World Champion Peter Ebdon 4–2 in the final.

[51] In September, he won his second consecutive tournament, the non-ranking Six-red World Championship, defeating Ding Junhui in the final 8–4.

[52] He then reached the semi-finals of the Shanghai Masters where, after tying the match at 6–6, he lost 6–10 to defending and eventual champion Ronnie O'Sullivan.

[55] In the Northern Ireland Open, Wilson played a seven-frame match that lasted over three hours, against Lee Walker (whose average shot time was 38 seconds), losing 3–4 in the deciding frame.

[10][59] Defending his title at the Paul Hunter Classic in August 2019, Wilson finished runner-up after a 3–4 defeat to Barry Hawkins in the final.

[60] Leading the match 3–2 and needing only a couple of pots to retain the title, Wilson broke down on 57, allowing Hawkins to force a deciding frame which he won.

[69] The 2020 World Snooker Championship was delayed by three months because of the COVID-19 pandemic, and Wilson received a bye for the first round due to Anthony Hamilton withdrawing from the tournament.

[70] Wilson defeated Martin Gould in the second round, defending champion Judd Trump in the quarter-finals, and Anthony McGill 17–16 in the semi-finals after fluking a match-winning green ball.

The first session was of poor standard, possibly due to both players reeling from narrow victories in their semi-finals, both ending with a deciding frame.

[72][73] The day ended with O'Sullivan leading 10–7, after Wilson missed a crucial red along the cushion that would probably have led to him winning the 17th frame.

[86] At the UK Championship, he won 6–5 in a final frame decider against Ronnie O'Sullivan in the quarter-finals,[87] before losing 4–6 to Luca Brecel in the semi-finals.

[88] After a 1–6 defeat to Trump in the quarter-finals of the Masters,[89] he reached his first ranking final of the season at the Gibraltar Open where he lost 2–4 to Robert Milkins.

[92] After three draws in the Championship League first group stage, Wilson won his first ranking title for almost two years after winning the European Masters.

He recorded victories over Lyu Haotian, Jimmy Robertson, Shaun Murphy, Si Jiahui and Ali Carter,[10] before defeating Barry Hawkins 9–3 in the final.

[94] After this victory he reached the quarter-finals of the Scottish Open, losing 3–5 to Gary Wilson from 3–1 ahead after having a "heated exchange" with his opponent during the interval;[95] and the German Masters where he lost 2–5 to Tom Ford.

[104] In the second round, he beat debutant Joe O'Connor 13–6,[105] before reversing his fortunes from the previous season by defeating John Higgins 13–8 in the quarter-finals.