On April 27, Beijing time, the quarter-finals of the Snooker World Championship continued, and O'Sullivan and Maguire competed for the third stage of the match. O'Sullivan, who led the way in the first two stages, continued his feel, and he won two consecutive sets in the third stage to win 13-5 to advance to the final four of the World Championships.
Maguire started the first round, but then O'Sullivan took a 6-1 lead in six consecutive innings. In the 8th inning, Maguire scored 56 points to return the inning, giving O'Sullivan a 6-2 lead in the first eight innings. In the first stage, O'Sullivan scored 2 shots of 50+ and 1 shot of 100.
In the second stage, Maguire played 50+ in consecutive innings 9 and 10, chasing two consecutive sets until it was 4-6. But then O'Sullivan hit a single shot of 50+ in five consecutive innings to win five straight sets to take an 11-4 lead. In the 16th inning, Maguire scored 66 points to bring back the first set, and O'Sullivan led 11-5 after the second inning.
After the start of the third stage, O'Sullivan scored a single 71 point in the 17th inning, after which O'Sullivan won the match point 12-5. In the 18th inning, O'Sullivan scored 126 points to end the battle, winning the entire game 13-5.
In the end, after 18 rounds of competition, O'Sullivan beat Maguire 13-5 to advance to the final four of the World Championships. This is O'Sullivan's 13th time in the Final Four at the World Championships, where he surpassed Hendry to set a new World Championship record. In the semi-finals, O'Sullivan will face the winner between Higgins and Lissovsky.