Source: RU forums

Please note that the names are not translated from Russian, they are taken from the official supertest post, published earlier

“Spotter”

For reaching 1000 points of spotting damage in one winning battle, can be awarded to multiple players per battle.

“Eye for an Eye!”

For destroying an enemy while being destroyed by him as well, ramming and fire do count, is awarded to both players.

“Arsonist”

For destroying the enemy by setting them on fire. Can be awarded to multiple players per battle.

“Demolition Expert”

For destroying the enemy by ammoracking them. Can be awarded to multiple players per battle.

“Hand of God”

For surviving battle while being damaged by no less than 4 enemy players. Only hits that cause damage count. Fire and ramming damage also count. Can be awarded to multiple players per battle.

“Bruiser”

For causing no less than 5 critical module hits and/or crew kills per battle. Can be awarded to multiple players per battle.

“Duelist”

For destroying no less than 2 enemy vehicles, which caused you damage in battle. Module damage counts towards this. Can be awarded to multiple players per battle.

“Shellproof”

Awarded when the total damage blocked by armor in one battle is higher than that tank’s hitpoint count. The player has to survive the battle. Can be awarded to multiple players per battle.

“Fire for Effect”

For dealing more damage than is the hitpoint count of your vehicle. Not awarded to artillery players. Fire and ramming also counts. Can be awarded to multiple players per battle.

“Battle Buddy”

For not dealing any damage to friendly players in 50 battles. Battles in all vehicles count towards this. Damage that damages modules but does not destroy them does not count. Can be awarded to multiple players per battle.

“Fighter”

For destroying 4-5 enemy vehicles in battle. Can be awarded to multiple players per battle.