Defending champion Neil Robertson made a confident start to the Scottish Open with a comfortable 4-1 victory over Peter Lines.
The 36-year-old Australian, who produced a stunning comeback from 8-4 down to win in a 17th-frame decider in last year's final against Cao Yupeng, rattled in three half-century breaks to see off the Englishman and set up a second round clash with Ross Muir.
Martin O'Donnell and Stephen Maguire, who were both quarter-finalists at last week's UK Championship, had contrasting first round matches with the former winning 4-1 against Chris Wakelin, while Maguire suffered a shock 4-1 loss to world number 98 Billy Joe Castle.
Ding Junhui was in terrific form as he hit two half-centuries and two centuries, including a match-sealing break of 134, in a one-sided 4-0 triumph over fellow Chinese cueman Niu Zhuang.
Ali Carter eased past Luo Honghao 4-0, while Marco Fu needed a final-frame decider against Chen Zifan to advance to the second round at the Emirates Arena.
Ronnie O'Sullivan will not be in Glasgow after pulling out of the event following his record-breaking seventh UK Championship title on Sunday evening, where he defeated Mark Allen 10-6 at the Barbican Centre in York.