Ricky Walden dumps Mark Selby in Gibraltar

Walden recovered from trailing 3-1, but breaks of 61 and 83 helped him win the last three frames of the match to progress to a meeting with Alfie Burden, who enjoyed a break of 133 en route to a 4-2 win over Zhou Yuelong.

2005 world champion Shaun Murphy was a 4-3 winner over Allan Taylor in reaching the last 16 while two-times world champion Mark Williams was also a victor with a 4-3 win over Zhao Xintong of China.

Barry Hawkins enjoyed a 4-2 win over Michael White.