Joe Swail suffered World Championship heartbreak, going down 10-7 to China's Zhang Yong in the qualifiers in the Ponds Forge Centre in Sheffield.
But there was joy for Northern Ireland international Gerard Greene who dramatically defeated Jimmy White 10-9 to set up a second round clash with 2002 world champion Peter Ebdon. The winner will be just one victory away from a Crucible appearance.
Belfast cueman Swail looked like he was going to stage a thrilling fightback when he pegged Zhang back to 8-7, but the 20-year-old pulled away to secure a showdown with two-time Crucible finalist Matthew Stevens.
Swail (46) reached the World Championship semi-finals in 2000 and 2001.
Greene ended White's hopes of reaching the Crucible for the first time since 2006.
Six-time Crucible runner-up White came from 7-6 down to lead 9-7, but he scored just 30 points in the last three frames as Greene took them all.
Dublin's 1997 champion Ken Doherty beat Andy Hicks 10-6.
Chinese teen Zhao Xintong came from 6-2 down to beat Rod Lawler 10-9.
Thailand's Noppon Saengkham racked up three centuries in a 10-6 victory over Michael Georgiou.
Ryan Day made three centuries in a 10-2 thrashing of Daniel Wells while Jimmy Robertson whitewashed Tyler Rees 10-0.
China's Li Hang passed up the chance for a 147, which could earn an £8,500 bonus, when he missed the final yellow on 120 against Lyu Chenwei, though Li went on to win 10-8.