How many kills is 1000 damage in Cold War?

How many kills is 1000 damage in Cold War? You must do 1000 points of damage in 15 matches using assault rifles. This translates to at least 10 enemy kills with full health. On the other hand, in Black Ops Cold War it asks for the same requirement for multiplayer.

You must do 1000 points of damage in 15 matches using assault rifles. This translates to at least 10 enemy kills with full health. On the other hand, in Black Ops Cold War it asks for the same requirement for multiplayer.
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