Boulter wins in under an hour to reach quarters

What happened
Katie Boulter moves into the quarter-finals of the Japan Open after she beat Viktorija Golubic in less than an hour.
Summary assembled by rule from the sources below

Katie Boulter moves into the quarter-finals of the Japan Open after she beat Viktorija Golubic in less than an hour.
Summary assembled by rule from the sources below