the next four frames to come through another final frame decider. Post match, Trump commented that Williams "controlled" the match, but missed too many long pots towards the end of the match. Ronnie O'Sullivan played Stuart Bingham in the third first round match. O'Sullivan took a lead of 6–2 after the first session of the match, before winning frame nine and a 45-minute frame ten to lead 8–2. Although Bingham replied by winning frame 11, O'Sullivan took frame 12 to win the match 9–3. The fourth and final first round match was a repeat of the 2018 Masters final, with Mark Allen drawing Kyren Wilson. Allen took an early lead, finishing 6–2 after the initial session of the match, and increased his lead to 7–2 with a century. Wilson captured the next three frames, before Allen won frame 13 to lead 8–5. Wilson won the next two frames to trail 7–8, before losing his momentum in frame 16 allowing Allen to make a break of 71. The top four seeds all won their first round matches to progress to the semi-finals. Semi-finals In the second round, which took place on 21 and 22 March, the four remaining players competed in two best-of-19-frames matches, each played over two sessions. The first semi-final was played on 21 March, between Judd Trump and Ronnie O'Sullivan. The pair were the highest two in the ranking list for the Coral Cup, both having won one of the previous two events in the Coral series: Trump winning the World Grand Prix, and O'Sullivan the Players Championship. This semi-final was a rematch of the season's Masters final, and the two players also met in the final of the 2018 Northern Ireland Open, Trump winning on both occasions. Trump took the first frame in the opening session of the match with a break of 54, before O'Sullivan tied the score at one frame apiece. Trump won frames three and four to lead 3–1 at the interval. He also won frame five, before O'Sullivan made a century to trail by two frames. Trump took the remaining two frames of the session to lead 6–2. O'Sullivan clinched the first two frames of the second session to reduce his deficit to 4–6, before Trump won two of the next three frames to lead 8–5. O'Sullivan won both frames 14 and 15 with two century breaks of 130 and 134 to trail