Williams sees off Stevens
Mark Williams will be involved in next month's German Masters in Berlin after winning an all-Welsh affair against Matthew Stevens.
In a repeat of the 2000 World Championship final Williams prevailed 5-3 in the final round of qualifying.
Meanwhile, defending champion Anthony Hamilton was forced to win the last two frames as he edged past Mitchell Mann 5-4.
Hamilton claimed his maiden ranking title at the age of 45 by winning the German Masters title 10 months ago at the Tempodrom but has struggled since.
The Scottish Open champion Neil Robertson suffered a surprise 5-3 defeat to Tom Ford while Judd Trump had to dig deep before seeing off the Chinese teenager Yuan Sijun 5-4.
Ding Junhui eased past Nigel Bond 5-1 while Ryan Day beat John Astley by the same scoreline. Ricky Walden saw off Ashley Hugill 5-2 and Joe Perry thrashed Thor Chuan Leong 5-0.
Graeme Dott beat Peter Ebdon 5-4, despite losing the first three frames, and Matthew Selt came from 4-1 down to edge past Aditya Mehta 5-4.
Meanwhile, Williams is 1212/1 to The 2018 Masters. Ronnie O'Sullivan can be backed at 1212/1, Trump at 1212/1 and Mark Selby at 1212/1.
View all Snooker betting