VK 45.02 A in Oyster Bay. How to complete PBT-2: "Point Blank!" on HT in T-55A campaign?

VK 45.02 A in Oyster Bay. How to complete PBT-2: "Point Blank!" on HT in T-55A campaign?
In this task you need to destroy 3 vehicles from a distance of no more than 100 meters, and to complete it with honors you need to inflict 3000 damage to enemy vehicles.