LONDON, ENGLAND - JANUARY 11: Mario Vandenbogaerde of Belgium throws during his semi-final match against Jim Williams of Wales during day eight of the BDO Darts Championships 2020 at O2 Indigo on January 11, 2020 in London, England. (Photo by Jordan Mansfield/Getty Images)

LONDON, ENGLAND - JANUARY 11: Jim Williams of Wales throws during his semi-final match against Mario Vandenbogaerde of Belgium during day eight of the BDO Darts Championships 2020 at O2 Indigo on January 11, 2020 in London, England. (Photo by Jordan Mansfield/Getty Images)

LONDON, ENGLAND - JANUARY 11: Jim Williams of Wales throws during his semi-final match against Mario Vandenbogaerde of Belgium during day eight of the BDO Darts Championships 2020 at O2 Indigo on January 11, 2020 in London, England. (Photo by Jordan Mansfield/Getty Images)