And , luckily , he did not seem to injure the late - night host .
The Serbian tennis player , who can serve at a speed of up to 130 mph , hit the shield on the first try -- aced it , if you will .
And , luckily , tennis player did not seem to injure the late - night host .
The Serbian tennis player , who can serve at a speed of up to 130 mph , hit the shield on the first try -- aced it , if you will .