Bublik hits underarm ace after VAR tie-break drama

Watch as Alexander Bublik hits an underarm ace against Felix Auger-Aliassime after a contentious Video Assistant Review decision during a first-set tie-break in Dubai.

Canada's Auger-Aliassime prevailed 7-6 (9-7) 6-7 (4-7) 6-3 to progress to the last 16.