 The fourth day only featured play in the evening, and began with a major upset as twenty-second seed Chris Mason fell in straight sets to 67-year-old Irishman John MaGowan.Mason never got going in the match, averaging 83 to MaGowan's 92.All sets went 3–1 in 'Mr Magoo's favour, with the highlight of the match being a 156 checkout from MaGowan in the final set to end Mason's hopes of a recovery – double 4 finally completed a major surprise in the opening game of the night.