5–3 and Michael White 5–1 to reach the semi-finals, where he lost 3–6 to Ding Junhui. He lost 3–6 to Luca Brecel in the fourth round of the UK Championship and was then defeated 1–5 against Mark Selby in the quarter-finals of the China Open. Maguire was unable to break back into the top 16 during the season and so needed to win three matches to qualify for the 2017 World Championship. Victories followed over Kritsanut Lertsattayathorn, Nigel Bond and Li Hang and he faced McGill in the opening round. From 2–2, Maguire scored 447 points without reply and went on to triumph 10–2 in his first match win at the Crucible since 2012. He then thrashed Rory McLeod 13–3 with a session to spare to reach the quarter-finals and came from 1–5 down to draw level with Barry Hawkins at 6–6. However, from 9–9 Maguire lost four frames in a row to be beaten 9–13. Maguire's form continued to improve in the 2017–18 season. He reached the final of the Riga Masters in June, but lost 2–5 to Ryan Day. In December, with wins over Yuan Sijun, Jak Jones, Liang Wenbo, Graeme Dott, and Joe Perry, Maguire advanced to the semi-finals of the UK Championship again, but was defeated 4–6 by the eventual champion Ronnie O'Sullivan. Shortly after the UK Championship, he reached the quarter-finals of the Scottish Open but lost 2–5 against Judd Trump. In February, Maguire progressed to the semi-finals of another ranking event, this time at the World Grand Prix, but lost 4–6 to O'Sullivan despite leading 4–2. He qualified for the 2018 World Championship after beating Allan Taylor, Hammad Miah, and Hossein Vafaei, and faced Ronnie O'Sullivan in the first round. Despite leading 4–0 and 6–3, Maguire lost seven of the next eight frames in the second session and eventually lost 7–10. 2018–present: Tour Championship winner (2020) Maguire made a strong start to the 2018–19 season; with wins against Joe Perry and Kyren Wilson, he reached the semi-finals of the Riga Masters but lost 1–5 to Jack Lisowski. In October, he advanced to the semi-finals of another ranking event, the English Open, but this time lost 3–6 to Stuart Bingham. He performed fairly well at the UK Championship where he progressed to the quarter-finals, but was beaten 1–6 by Mark Allen. After strong performances over the past two seasons, Maguire returned to the Masters for