In his next fight he challenged for the vacant WBO European super-featherweight title, facing Craig Poxton on 21 October 2017 at the First Direct Arena in Leeds. Woodstock captured the WBO regional title via unanimous decision (UD) with the judges' scorecards reading 98–93, 97–93 and 97–95. Following a points decision (PTS) win against Edwin Tellez in a non-title fight in May 2018, Woodstock made the first defence of his title against Archie Sharp on 6 October at the Morningside Arena (formerly Leicester Arena). After being knocked down in the opening round by a left hook, Woodstock went on to lose his title via UD over ten rounds. All three judges scored the bout 96–93.
