Judd Trump beat Mark Allen in a back-and-forth contest to progress in the first round of the Tour Championship in Manchester.
World number one Trump made a slow start as Allen won the opening four frames, but breaks of 71, 104 and 88 helped the Englishman level the match.
Northern Ireland’s Allen made a break of 121 to move ahead again, before Trump took the next two frames to lead for the first time.
Allen made another 121 break to level at 6-6, but from there Trump kept his nose in front, securing breaks of 114 and 100 as he wrapped up the contest 10-8.
World number one Trump, 36, set up a quarter-final against England’s Shaun Murphy, who received a bye to the last eight.
The match was the only one to reach a conclusion on the opening day of the tournament, with England’s Barry Hawkins leading Thailand’s Thepchaiya Un-Nooh 5-3 when play ended.
The other first-round tie saw China’s Wu Yize end the day 6-2 up against England’s Chris Wakelin.
Both matches are set to conclude on Tuesday.